Solve Fraction Addition/Subtraction Problems - 5th Grade Math
Card 1 of 20
What is $\frac{1}{2} + \frac{1}{3}$ in simplest form?
What is $\frac{1}{2} + \frac{1}{3}$ in simplest form?
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$\frac{5}{6}$. LCD is 6: $\frac{3}{6} + \frac{2}{6} = \frac{5}{6}$.
$\frac{5}{6}$. LCD is 6: $\frac{3}{6} + \frac{2}{6} = \frac{5}{6}$.
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A tank is $ \frac{2}{3} $ full. After using $ \frac{1}{4} $ of a tank, how full is it?
A tank is $ \frac{2}{3} $ full. After using $ \frac{1}{4} $ of a tank, how full is it?
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$ \frac{5}{12} $ full. Convert to LCD 12: $ \frac{8}{12} - \frac{3}{12} = \frac{5}{12} $.
$ \frac{5}{12} $ full. Convert to LCD 12: $ \frac{8}{12} - \frac{3}{12} = \frac{5}{12} $.
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Which is greater: $\frac{1}{2}$ or $\frac{4}{9}$?
Which is greater: $\frac{1}{2}$ or $\frac{4}{9}$?
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$\frac{1}{2}$. $\frac{1}{2} = \frac{9}{18}$ and $\frac{4}{9} = \frac{8}{18}$, so $\frac{1}{2} > \frac{4}{9}$.
$\frac{1}{2}$. $\frac{1}{2} = \frac{9}{18}$ and $\frac{4}{9} = \frac{8}{18}$, so $\frac{1}{2} > \frac{4}{9}$.
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You walked $\frac{5}{6}$ mile, then walked back $\frac{1}{2}$ mile. How far from start are you?
You walked $\frac{5}{6}$ mile, then walked back $\frac{1}{2}$ mile. How far from start are you?
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$\frac{1}{3}$ mile. $\frac{5}{6} - \frac{1}{2} = \frac{5}{6} - \frac{3}{6} = \frac{2}{6} = \frac{1}{3}$
$\frac{1}{3}$ mile. $\frac{5}{6} - \frac{1}{2} = \frac{5}{6} - \frac{3}{6} = \frac{2}{6} = \frac{1}{3}$
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A ribbon is $\frac{3}{5}$ m long. You cut off $\frac{1}{4}$ m. What length remains?
A ribbon is $\frac{3}{5}$ m long. You cut off $\frac{1}{4}$ m. What length remains?
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$\frac{7}{20}$ m. Convert to LCD 20: $\frac{12}{20} - \frac{5}{20} = \frac{7}{20}$.
$\frac{7}{20}$ m. Convert to LCD 20: $\frac{12}{20} - \frac{5}{20} = \frac{7}{20}$.
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What is $\frac{5}{6} - \frac{1}{4}$ in simplest form?
What is $\frac{5}{6} - \frac{1}{4}$ in simplest form?
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$\frac{7}{12}$. Convert to LCD 12: $\frac{10}{12} - \frac{3}{12} = \frac{7}{12}$
$\frac{7}{12}$. Convert to LCD 12: $\frac{10}{12} - \frac{3}{12} = \frac{7}{12}$
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Identify the correct sum: $$$\frac{1}{8} + \frac{3}{4}$$.
Identify the correct sum: $$$\frac{1}{8} + \frac{3}{4}$$.
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$\frac{7}{8}$. Convert to LCD 8: $\frac{1}{8} + \frac{6}{8} = \frac{7}{8}$.
$\frac{7}{8}$. Convert to LCD 8: $\frac{1}{8} + \frac{6}{8} = \frac{7}{8}$.
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What is the difference: $$$\frac{9}{10} - \frac{2}{5}$$ in simplest form?
What is the difference: $$$\frac{9}{10} - \frac{2}{5}$$ in simplest form?
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$\frac{1}{2}$. Convert to LCD 10: $\frac{9}{10} - \frac{4}{10} = \frac{5}{10} = \frac{1}{2}$.
$\frac{1}{2}$. Convert to LCD 10: $\frac{9}{10} - \frac{4}{10} = \frac{5}{10} = \frac{1}{2}$.
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What is $$$\frac{1}{2} + \frac{1}{3}$$ in simplest form?
What is $$$\frac{1}{2} + \frac{1}{3}$$ in simplest form?
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$\frac{5}{6}$. Convert to common denominator 6: $\frac{3}{6} + \frac{2}{6} = \frac{5}{6}$.
$\frac{5}{6}$. Convert to common denominator 6: $\frac{3}{6} + \frac{2}{6} = \frac{5}{6}$.
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What is $$$\frac{2}{5} + \frac{1}{2}$$ in simplest form?
What is $$$\frac{2}{5} + \frac{1}{2}$$ in simplest form?
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$\frac{9}{10}$. Convert to LCD 10: $\frac{4}{10} + \frac{5}{10} = \frac{9}{10}$.
$\frac{9}{10}$. Convert to LCD 10: $\frac{4}{10} + \frac{5}{10} = \frac{9}{10}$.
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Identify whether $$$\frac{3}{7} + \frac{1}{2} = \frac{4}{9}$$ is correct or incorrect.
Identify whether $$$\frac{3}{7} + \frac{1}{2} = \frac{4}{9}$$ is correct or incorrect.
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Incorrect. $\frac{3}{7} + \frac{1}{2} = \frac{13}{14}$, not $\frac{4}{9}$.
Incorrect. $\frac{3}{7} + \frac{1}{2} = \frac{13}{14}$, not $\frac{4}{9}$.
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Find and correct the error: $$$\frac{2}{5} + \frac{1}{2} = \frac{3}{7}$$.
Find and correct the error: $$$\frac{2}{5} + \frac{1}{2} = \frac{3}{7}$$.
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$\frac{2}{5} + \frac{1}{2} = \frac{9}{10}$. Convert to LCD 10: $\frac{4}{10} + \frac{5}{10} = \frac{9}{10}$.
$\frac{2}{5} + \frac{1}{2} = \frac{9}{10}$. Convert to LCD 10: $\frac{4}{10} + \frac{5}{10} = \frac{9}{10}$.
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What benchmark fraction is closest to $$$\frac{5}{8}$$?
What benchmark fraction is closest to $$$\frac{5}{8}$$?
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$\frac{1}{2}$. $\frac{5}{8} = 0.625$ is closest to $\frac{1}{2} = 0.5$.
$\frac{1}{2}$. $\frac{5}{8} = 0.625$ is closest to $\frac{1}{2} = 0.5$.
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What is $$$\frac{1}{6} + \frac{1}{3}$$ in simplest form?
What is $$$\frac{1}{6} + \frac{1}{3}$$ in simplest form?
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$\frac{1}{2}$. Convert to LCD 6: $\frac{1}{6} + \frac{2}{6} = \frac{3}{6} = \frac{1}{2}$.
$\frac{1}{2}$. Convert to LCD 6: $\frac{1}{6} + \frac{2}{6} = \frac{3}{6} = \frac{1}{2}$.
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What is $$$\frac{4}{9} - \frac{1}{3}$$ in simplest form?
What is $$$\frac{4}{9} - \frac{1}{3}$$ in simplest form?
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$\frac{1}{9}$. Convert to LCD 9: $\frac{4}{9} - \frac{3}{9} = \frac{1}{9}$.
$\frac{1}{9}$. Convert to LCD 9: $\frac{4}{9} - \frac{3}{9} = \frac{1}{9}$.
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What benchmark fraction is commonly used to check if a fraction is close to half?
What benchmark fraction is commonly used to check if a fraction is close to half?
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$\frac{1}{2}$. Half is the most useful benchmark for quick comparisons.
$\frac{1}{2}$. Half is the most useful benchmark for quick comparisons.
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What is the result of $\frac{11}{12} - \frac{1}{4}$ in simplest form?
What is the result of $\frac{11}{12} - \frac{1}{4}$ in simplest form?
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$\frac{2}{3}$. $\frac{1}{4} = \frac{3}{12}$, so $\frac{11}{12} - \frac{3}{12} = \frac{8}{12} = \frac{2}{3}$.
$\frac{2}{3}$. $\frac{1}{4} = \frac{3}{12}$, so $\frac{11}{12} - \frac{3}{12} = \frac{8}{12} = \frac{2}{3}$.
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What is the missing fraction: $\frac{1}{2} + \Box = \frac{5}{6}$?
What is the missing fraction: $\frac{1}{2} + \Box = \frac{5}{6}$?
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$\frac{1}{3}$. $\frac{5}{6} - \frac{1}{2} = \frac{5}{6} - \frac{3}{6} = \frac{2}{6} = \frac{1}{3}$.
$\frac{1}{3}$. $\frac{5}{6} - \frac{1}{2} = \frac{5}{6} - \frac{3}{6} = \frac{2}{6} = \frac{1}{3}$.
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What benchmark fractions are commonly used to estimate sums and differences quickly?
What benchmark fractions are commonly used to estimate sums and differences quickly?
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$0$, $\frac{1}{2}$, and $1$. These benchmarks help estimate fraction values quickly.
$0$, $\frac{1}{2}$, and $1$. These benchmarks help estimate fraction values quickly.
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What is $frac{1}{2} - frac{3}{10}$ in simplest form?
What is $frac{1}{2} - frac{3}{10}$ in simplest form?
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$frac{1}{5}$. $\frac{1}{2} = \frac{5}{10}$, so $\frac{5}{10} - \frac{3}{10} = \frac{2}{10} = \frac{1}{5}$.
$frac{1}{5}$. $\frac{1}{2} = \frac{5}{10}$, so $\frac{5}{10} - \frac{3}{10} = \frac{2}{10} = \frac{1}{5}$.
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