Adding and Subtracting Fractions with Unlike Denominators

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

• 3
• 4
• 7
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which of these numbers could NOT be a common denominator for these two fractions?
1/6   and   1/4

• 12
• 18
• 24
• 36

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Fill in the blank in order to create a true number sentence:
3/5 = __ /10

• 6
• 15
• 5
• 10

Tags

CCSS.5.NF.A.1

1/2 + 1/3 + 1/5 = 

• 31/30
• 3/10
• 1/30
• These fractions cannot be added

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/5 - 1/20 = 

• 0
• 20/15
• 3/15
• 15/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Bonus Challenge!!!
(4/5 - 1/10) + 2/3 = 

• 5/8
• 41/30
• 7/18
• 12/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

While making desserts for a bake sale, Lyla used 7/10 of a scoop of brown sugar as well as 1/2 of a scoop of white sugar. How much more brown sugar did Lyla use?

• 1 1/2
• 2/3
• 1/5 
• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

At the neighborhood block party, Cora served 1/2 of a gallon of hot chocolate and 1/10 of a gallon of apple cider. How much hot chocolate and apple cider did Cora serve?

• 3/5
• 2/5
• 2/11
• 1/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Carefully following a recipe, Ben used exactly 5/8 of a cup of oil and 3/4 of a cup of water. How many cups of liquid did Ben use in all?

• 1/8
• 2/3
• 1 1/2
• 1 3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12
• 3/7
• 11/12
• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2