Adding and Subtracting Fractions with Like-Denominators

Front

To add or subtract fractions you must have

Back

Common denominators

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, consisting 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 denominator in a fraction represent?

Back

The denominator represents the total number of equal parts the whole is divided into.

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 being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with like denominators?

Back

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

Subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Example: What is 1/4 + 2/4?

Back

1/4 + 2/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Example: 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 an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even if the numbers are different.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Example: What is an equivalent fraction for 1/2?

Back

An equivalent fraction for 1/2 is 2/4.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1