# ISEE Middle Level Math : How to add fractions

## Example Questions

### Example Question #21 : How To Add Fractions

Add:      Explanation:

Rewrite the fractions with the common denominator , and add numerators: ### Example Question #22 : How To Add Fractions

Evaluate:      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      Explanation:

Rewrite each fraction with the least common denominator, which is :     ### Example Question #681 : Numbers And Operations      Explanation:

Rewrite using the least common denominator, which is ; then add numerators:    ### Example Question #31 : How To Add Fractions

Evaluate:      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:      Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators: ### Example Question #411 : Arithmetic

Find the sum:      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:      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:      Explanation:

Find the least common denominator between and . In this case, it is .   ### Example Question #36 : How To Add Fractions       Answer:  