# SSAT Middle Level Math : How to add fractions

## Example Questions

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### Example Question #23 : Express A Fraction With Denominator 10 As An Equivalent Fraction With Denominator 100: Ccss.Math.Content.4.Nf.C.5

Explanation:

When we add fractions, we must have common denominators. Whenever we have a number over  or  we can add (s) to the numerator and denominator to make common denominators.

### Example Question #24 : Express A Fraction With Denominator 10 As An Equivalent Fraction With Denominator 100: Ccss.Math.Content.4.Nf.C.5

Explanation:

When we add fractions, we must have common denominators. Whenever we have a number over  or  we can add (s) to the numerator and denominator to make common denominators.

### Example Question #221 : How To Add Fractions

Solve:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers and fractions to fractions.

Remember, when we are adding fractions we must have common denominators and we only add the numerators.

### Example Question #31 : Add And Subtract Mixed Numbers With Like Denominators: Ccss.Math.Content.4.Nf.B.3c

Solve:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers and fractions to fractions.

Remember, when we are adding fractions we must have common denominators and we only add the numerators.

### Example Question #221 : How To Add Fractions

Find the sum:

Explanation:

Add the fractions by writing each with the lowest common denominator, which is .