Common Denominators Rewrite Fractions

Name a common denominator for the following fractions.

• 16

• 24

• 30

Name a common denominator for the following fractions.

• 3

• 17

• 27

REWRITE the problem. Then, SOLVE.

(a)  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

REWRITE the problem. Then, SOLVE.

(a)  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 1/2 and 3/7?

• 2

• 14

• 7

• 28

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30

• 11

• 6

• 5

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Is this a correct answer?

• Yes, the student correctly added.

• No, you cannot add unlike denominators

• No, 5 + 7 is not 12

• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which operations with fractions REQUIRE common denominators. Select 2 answers

• Addition

• Subtraction

• Multiplication

• Division

• None of the 4 basic operations

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3

• 4

• 24

• 12