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

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Tags

CCSS.4.NF.A.2

2/3 + 1/2 = 

• 6/7
• 2/6
• 3/5
• 7/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/7 + 1/28 = 

• 6/35
• 12/196
• 21/28
• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/8 - 2/5=

• 9/40
• 8/40
• 7/35

Tags

CCSS.7.NS.A.1C

5/12 - 1/6=

• 8/12
• 1/4
• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Andrew ran 1/3 of a mile and swam 5/6 of a mile. How much farther did he swim than run?

• 5/18 of a mile

• 1/2 of a mile

• 4/3 of a mile

• 3/6 of a mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons

• 13/18 gallons

• 4/5 gallons

• 1/6 gallons

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2 1/4 + 3 2/12

• 5 3/4
• 5 5/12
• 5 3/12
• 5 2/4

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