# Add Fractions with the Same Denominator

In this worksheet, students will add fractions with the same denominator.

Key stage:  KS 2

Curriculum topic:   Number: Fractions and Decimals

Curriculum subtopic:   Add/Subtract Fractions

Popular topics:   Fractions worksheets, Percentages worksheets

Difficulty level:

#### Worksheet Overview

When we add or subtract two fractions, they must be the same type.

This means that they must have the same bottom number, which we call the denominator.

Example

Work out:

 3 + 4 15 15

Both fractions have the same denominator. They are both 15ths.

 3 + 4 15 15

We can simply add the top numbers to get 3 + 4 = 7.

 = 3 + 4 15

 = 7 15

Remember that the bottom number stays the same.

Are you happy with that?

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