Adding and Subtracting 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

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting fractions?

Back

The first step is to find a common denominator for the fractions being subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 7/8 - 7/12?

Back

7/24.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 3/5 + 3/10?

Back

9/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 11/12 - 1/4?

Back

2/3.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 2 2/3 + 9 4/5?

Back

12 7/15.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 3/4 - 2/3?

Back

1/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2