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 for 1/3 and 7/12?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators. For 3 and 12, the LCM is 12.

Front

What is the first step in adding 1/3 + 7/12?

Back

Convert 1/3 to a fraction with a denominator of 12, which is 4/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 4/12 and 7/12?

Back

4/12 + 7/12 = 11/12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add 1/6 and 2/5?

Back

First, find a common denominator, which is 30. Convert the fractions: 1/6 = 5/30 and 2/5 = 12/30. Then add: 5/30 + 12/30 = 17/30.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 1/3 and 5/9?

Back

Convert 1/3 to 3/9. Then add: 3/9 + 5/9 = 8/9.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add 2/5 and 3/10?

Back

Find a common denominator, which is 10. Convert 2/5 to 4/10. Then add: 4/10 + 3/10 = 7/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 2/3 and 1/6?

Back

Find a common denominator, which is 6. Convert 2/3 to 4/6. Then add: 4/6 + 1/6 = 5/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process of simplifying a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common divisor (GCD).