Add and Subtract Fractions with Like Denominators

Front

What is the sum of \( \frac{5}{9} + \frac{3}{9} \)?

Back

The sum is \( \frac{8}{9} \).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with like denominators?

Back

To subtract fractions with like denominators, subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is \( \frac{6}{13} - \frac{4}{13} \)?

Back

The result is \( \frac{2}{13} \).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of \( \frac{7}{12} + \frac{8}{12} \)?

Back

The sum is \( \frac{15}{12} \) or \( 1 \frac{1}{4} \).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a like denominator in fractions?

Back

Like denominators are denominators that are the same in two or more fractions.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the first step in adding fractions with like denominators?

Back

The first step is to add the numerators together.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the first step in subtracting fractions with like denominators?

Back

The first step is to subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

If you have \( \frac{a}{c} + \frac{b}{c} \), what is the result?

Back

The result is \( \frac{a + b}{c} \).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

If you have \( \frac{a}{c} - \frac{b}{c} \), what is the result?

Back

The result is \( \frac{a - b}{c} \).

Tags

CCSS.4.NF.B.3A

Front

What happens to the denominator when adding or subtracting fractions with like denominators?

Back

The denominator remains the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D