ISEE Middle Level Math : How to add fractions

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #21 : How To Add Fractions

Add: 

Possible Answers:

Correct answer:

Explanation:

Rewrite the fractions with the common denominator , and add numerators:

Example Question #22 : How To Add Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

The least common denominator of the three fractions is , so write each fraction in terms of this denominator:

By order of operations, subtract, then add:

,

which is the correct result.

Example Question #21 : How To Add Fractions

Add: 

Possible Answers:

Correct answer:

Explanation:

Rewrite each fraction with the least common denominator, which is :

We can add vertically, adding the fractions and the whole numbers:

   

 

Example Question #681 : Numbers And Operations

Add:

Possible Answers:

Correct answer:

Explanation:

Rewrite using the least common denominator, which is ; then add numerators:

Example Question #31 : How To Add Fractions

Evaluate: 

Possible Answers:

Correct answer:

Explanation:

Rewrite each as an improper fraction, then as a fraction in terms of the least common denominator, which is :

Rewrite the expression, evaluate it, and rewrite the result as a mixed number:

Example Question #32 : How To Add Fractions

Find the sum:

Possible Answers:

Correct answer:

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

 

Example Question #411 : Arithmetic

Find the sum:

Possible Answers:

Correct answer:

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

Example Question #34 : How To Add Fractions

Find the sum:

Possible Answers:

Correct answer:

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

Example Question #35 : How To Add Fractions

Solve:

Possible Answers:

Correct answer:

Explanation:

Find the least common denominator between  and . In this case, it is .

Example Question #36 : How To Add Fractions

Possible Answers:

Correct answer:

Explanation:

Add the numerators and keep the denominator:

Answer:

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