Rewriting Fractions with a Common Denominator

Rewrite these fractions as a pair of fractions with a common denominator.

3/4 and 5/6

• 9/12, 8/12

• 9/12, 10/12

• 3/4, 5/4

• 18/24, 5/24

Rewrite these fractions as a pair of fractions with a common denominator.

• 10/24, 4/12

• 10/24, 4/24

• 5/12, 4/12

• 15/24, 8/24

I have two pizzas. One is cut into fourths and the other is cut into sixths. I want my pizzas to be divided into the same size parts. How can I cut the pizzas?

• 8ths

• 4ths

• 12ths

• 16ths

Tags

CCSS.1.G.A.3

Which of the following are necessary to add or subtract fractions?

• Common Multiples

• Common Factors

• Common Denominators

• Common Sense

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 2/3 and 3/4

• 4/8 and 6/8

• 6/9 and 12/16

• 8/12 and 9/12

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3B

CCSS.3.NF.A.3A

What number would you use as the common denominator?

• 40

• 20

• 5

• 10

Which 2 expressions​ do you need to find Common Denominators for?​ (a)   ​ (b)  

Tags

CCSS.7.NS.A.1C

Which number would you use as the common denominator?

• 10

• 5

• 1

• 25

Match the following fractions with the correct common denominator.

• 24

• 6

• 14

• 10

You must find the (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

Tags

CCSS.7.NS.A.1C