Adding and Subtracting Fractions

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 14/16
• 7/8
• 8/7
• 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Before you add or subtract fractions what must be the same?

• Numerator

• Denominator

• Just add

• Just subtract

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 2/5
• 5/6
• 4/6
• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 6/8 and 4/12?

• 12
• 24
• 8
• 16

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

What is the least common denominator of 1/4 and 2/5?

• 5
• 25
• 10
• 20

Tags

CCSS.4.NF.A.2

4/8 + 1/3 =

• 5/11
• 4/8
• 13/24
• 4/11

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

8/15 - 1/5 = 

• 1/10
• 1/3
• 7/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

19/20 - 3/10 = 

• 15/20
• 22/20
• 13/20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D