Subtracting Fractions with Unlike 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 it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions.

Tags

CCSS.4.NF.B.3A

Front

What are unlike denominators?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you subtract fractions with unlike denominators?

Back

To subtract fractions with unlike denominators, first 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 a common denominator?

Back

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

Front

How do you find a common denominator for 3/5 and 5/10?

Back

The least common denominator for 3/5 and 5/10 is 10.

Front

What is the first step in subtracting 3/5 - 5/10?

Back

Convert 3/5 to an equivalent fraction with a denominator of 10, which is 6/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 6/10 - 5/10?

Back

The result is 1/10.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you compare two fractions?

Back

To compare two fractions, convert them to have a common denominator or convert them to decimal form.

Tags

CCSS.4.NF.A.2

Front

What is the difference between 9/12 pounds of apples and 2/4 pounds of strawberries?

Back

The difference is 3/12 pounds.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2