Adding and Subtracting Fractions

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

Tags

CCSS.4.NF.A.2

Sally is painting her house. She used 1/8 of a gallon of paint in her bathroom, and 2/6 of a gallon of paint in her bedroom. How much paint did she use in all?

• 11/24
• 3/14
• 3/24
• 11/14

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/5 - 1/10

• 3/5
• 7/10
• 4/50
• 5/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tim has a board that is 5/6 feet long. He painted 2/18 feet of his board last night. How much more does Tim have left to paint?

• 13/18
• 7/24
• 7/18
• 3/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Monique wants to bake a cake. She needs 2 1/8 cups of sugar, and 1 5/24 cups of flour. How many cups of ingredients will she use in all?

• 3 8/24 cups
• 3 3/32 cups
• 3 8/32 cups
• 3 3/24 cups

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3 1/4 - 1 4/5

• 2 3/5
• 2 1/4
• 1 8/20
• 1 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jerome wants to walk to school. He lives 2 1/4 miles away. So far, he has walked 7/8 of a mile. How far does he have left to go?

• 1 3/8
• 2 6/4
• 1 6/8
• 2 3/4

Tags

CCSS.7.NS.A.1C

What is the sum of 3/4 and 1/3?

• 4/7

• 13/12

• 1 1/12

• 5/12

What is the mixed number in simplest form for 78/12?

• 6  6/12
• 6  1/2
• 5  18/12
• 7  1/2

Tags

CCSS.4.NBT.B.6

CCSS.4.NF.B.3

1 - 5/10=

• 1 5/10
• 5/10
• 1/2
• 1 1/2