Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It 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 add fractions?

Back

Adding fractions means combining parts of a whole. To add fractions, they must have the same denominator or a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means taking away a part from a whole. Like addition, the fractions must have the same denominator or a common denominator.

Tags

CCSS.4.NF.B.3A

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, allowing them to be added or subtracted.

Front

How do you find the least common denominator (LCD)?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple that they share.

Front

What is the sum of 3/20 and 3/4?

Back

9/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the difference between 11/12 and 1/8?

Back

19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the difference between 5/8 and 9/16?

Back

1/16

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If Dylan had a whole cupcake and ate 1/4 of it, how much is left?

Back

3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

Find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2