Adding and Subtracting Fractions with Like Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts in a whole.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with like denominators?

Back

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

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, keep the denominator the same and subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 1/4 + 1/4?

Back

1/4 + 1/4 = 2/4 or 1/2.

Tags

CCSS.4.NF.B.3A

Front

What is 3/5 - 1/5?

Back

3/5 - 1/5 = 2/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 2/8 + 3/8?

Back

2/8 + 3/8 = 5/8.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 5/10 - 2/10?

Back

5/10 - 2/10 = 3/10.

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 to add or subtract fractions.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D