adding and subtracting fractions with different denominators

What is a common denominator of 1/3 and 3/5?

• 5

• 3

• 30

• 21

What is a common denominator of 1/3 and 3/5?

• 5

• 3

• 30

• 21

What is a common denominator of 7/8 and 9/12?

• 7

• 18

• 27

• 24

What is the LEAST common denominator of 2/3 and 5/6?

• 18

• 5

• 3

• 6

What is 1/4 + 3/8?

• 5/8

• 4/12

• 4/8

• 5/16

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 1/9 + 5/6?

• 6/15

• 6/18

• 17/18

• 17/54

Tags

CCSS.7.NS.A.1C

What is 4/6 - 1/2?

• 1/6

• 3/4

• 3/6

• 5/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 7/8 - 2/3?

• 5/5

• 5/24

• 5/8

• 9/11

Josh painted his bedroom. It took 3/4 of a gallon of paint to paint the walls and 1/5 of a gallon to paint the ceiling. How many gallons of paint did he use in all?

• 19/20 of a gallon

• 4/9 of a gallon

• 4/20 of a gallon

• 4/40 of a gallon

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Susie is making a soup that requires 3/4 pound of eggplant and 3/8 pound of green peppers. How much more eggplant is needed than green peppers?

• 3/4

• 9/8

• 1/8

• 3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2