Adding Fractions

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 indicates how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

Add the numerators together and keep the same denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

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

Back

Find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of the fractions being added.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factor to make the denominators the same.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 1/2 + 1/4?

Back

3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 2/3 + 1/3?

Back

1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 3/8 + 1/8?

Back

1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D