Adding and Subtracting Fractions with Like Denominators

Front

What is the sum of 2/8 and 3/8?

Back

The sum is 5/8.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What do you need to add or subtract fractions?

Back

You need common denominators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 1/4 + 2/4?

Back

The sum is 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 4/6 - 1/6?

Back

The result is 3/6.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 38/50 + 7/50?

Back

The sum is 45/50.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator over a denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you add fractions with like denominators?

Back

You add the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with like denominators?

Back

You subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the first step in adding fractions?

Back

Ensure that the fractions have a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D