Adding Unlike 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 it mean to add unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators.

Tags

CCSS.7.NS.A.1C

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.

Front

What is the first step in adding unlike fractions?

Back

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

Tags

CCSS.7.NS.A.1C

Front

1/3 + 5/9 = ?

Back

8/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

1/3 + 7/12 = ?

Back

11/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

3/4 + 2/3 = ?

Back

1 5/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

2/3 + 1/5 = ?

Back

13/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

1/6 + 2/5 = ?

Back

17/30

Tags

CCSS.7.NS.A.1C