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, first 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 the common denominator of 1/3 and 5/12?

Back

The common denominator of 1/3 and 5/12 is 12.

Front

What is the sum of 5/12 and 1/3?

Back

5/12 + 1/3 = 3/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, 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 3/4 - 1/2?

Back

3/4 - 1/2 = 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the difference between 11/12 and 1/4?

Back

11/12 - 1/4 = 2/3.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is 8 2/4 - 3 1/3?

Back

8 2/4 - 3 1/3 = 5 1/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

7/8 - 7/12 = 7/24.

Tags

CCSS.7.NS.A.1C