Solve Word Problems Involving Addition and Subtraction of Fractions: CCSS.Math.Content.4.NF.B.3d

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4th Grade Math › Solve Word Problems Involving Addition and Subtraction of Fractions: CCSS.Math.Content.4.NF.B.3d

Questions 1 - 10

A baker used $\frac{4}{8}$ of a package of sprinkles and $\frac{6}{8}$ of a package of icing when decorating a cake. How much more icing than sprinkles did the baker use?

$\frac{2}{8}$

$\frac{3}{8}$

$\frac{4}{8}$

$\frac{5}{8}$

$\frac{6}{8}$

Explanation

The phrase, "how much more" tells as that we want to find the difference, so we subtract.

$\frac{6}{8}-\frac{4}{8}=\frac{2}{8}$

2 8

On Thursday it snowed $\frac{2}{12}$ of an inch in the afternoon and $\frac{1}{12}$ of an inch in the evening. What was the total amount of snowfall on Thursday?

$\frac{3}{12}$

$\frac{4}{12}$

$\frac{5}{12}$

$\frac{6}{12}$

$\frac{7}{12}$

Explanation

To solve this problem, we are putting the amount of snowfall from the afternoon and the evening together, so we add the fractions.

$\frac{2}{12}+\frac{1}{12}=\frac{3}{12}$

3 12

A baker used $\frac{4}{8}$ of a package of sprinkles and $\frac{6}{8}$ of a package of icing when decorating a cake. How much more icing than sprinkles did the baker use?

$\frac{2}{8}$

$\frac{3}{8}$

$\frac{4}{8}$

$\frac{5}{8}$

$\frac{6}{8}$

Explanation

The phrase, "how much more" tells as that we want to find the difference, so we subtract.

$\frac{6}{8}-\frac{4}{8}=\frac{2}{8}$

2 8

On Thursday it snowed $\frac{2}{12}$ of an inch in the afternoon and $\frac{1}{12}$ of an inch in the evening. What was the total amount of snowfall on Thursday?

$\frac{3}{12}$

$\frac{4}{12}$

$\frac{5}{12}$

$\frac{6}{12}$

$\frac{7}{12}$

Explanation

To solve this problem, we are putting the amount of snowfall from the afternoon and the evening together, so we add the fractions.

$\frac{2}{12}+\frac{1}{12}=\frac{3}{12}$

3 12

A baker used $\frac{1}{3}$ of a package of sprinkles and $\frac{2}{3}$ of a package of icing when decorating a cake. How much more icing than sprinkles did the baker use?

$\frac{1}{3}$

$\frac{2}{3}$

$\frac{3}{3}$

$\frac{4}{3}$

$\frac{5}{3}$

Explanation

The phrase, "how much more" tells as that we want to find the difference, so we subtract.

$\frac{2}{3}-\frac{1}{3}=\frac{1}{3}$

1 3

On Tuesday it snowed $\frac{6}{12}$ of an inch in the afternoon and $\frac{2}{12}$ of an inch in the evening. What was the total amount of snowfall on Tuesday?

$\frac{8}{12}$

$\frac{7}{12}$

$\frac{6}{12}$

$\frac{5}{12}$

$\frac{4}{12}$

Explanation

To solve this problem, we are putting the amount of snowfall from the afternoon and the evening together, so we add the fractions.

$\frac{6}{12}+\frac{2}{12}=\frac{8}{12}$

8 12

A baker used $\frac{1}{3}$ of a package of sprinkles and $\frac{2}{3}$ of a package of icing when decorating a cake. How much more icing than sprinkles did the baker use?

$\frac{1}{3}$

$\frac{2}{3}$

$\frac{3}{3}$

$\frac{4}{3}$

$\frac{5}{3}$

Explanation

The phrase, "how much more" tells as that we want to find the difference, so we subtract.

$\frac{2}{3}-\frac{1}{3}=\frac{1}{3}$

1 3

On Tuesday it snowed $\frac{6}{12}$ of an inch in the afternoon and $\frac{2}{12}$ of an inch in the evening. What was the total amount of snowfall on Tuesday?

$\frac{8}{12}$

$\frac{7}{12}$

$\frac{6}{12}$

$\frac{5}{12}$

$\frac{4}{12}$