Least Common Denominator Plus Review

Find the least common denominator of 1/5 and 2/10.

• 10

• 5

• 50

• 15

Find the least common denominator of 1/6 and 5/12.

• 18

• 12

• 6

• 1

Find the least common denominator of 3/4 and 3/8.

• 3

• 4

• 8

• 12

Which of these numbers could NOT be a common denominator for 1/6 and 5/18?

• 6

• 18

• 36

• 108

What do you need to have when adding unlike fractions?

• common denominator

• common numerator

• common numerator and denominator

Tags

CCSS.7.NS.A.1C

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

Find the least common denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2