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.5.NF.A.1

CCSS.5.NF.A.2

3/4 + 2/8 = 

• 1
• 5/12
• 6/32
• 5/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

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

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/6 of a yard. How much farther did the beetle crawl than the spider?

• 1/4
• 1/3
• 1/2
• 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

• 1 1/12
• 3/4
• 2/3
• 1 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 8/9 - 6/7?

• 5/6
• 3/4
• 2/3
• 2/63

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