Add and Subtract Fractions

Add these fractions:  1/6 + 3/6
Make sure your answer is in the simplest form.

• 4/6
• 5/6
• 2/3
• 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Of the students in the band, 5/10 play the flute and another 3/10 play the clarinet. What fraction of the students in the band play either the flute or the clarinet? Make sure your answer is in simplest form.

• 8/10
• 1/2
• 5/10
• 4/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Carefully following a recipe, Carly used exactly 1/8 of a cup of oil and 3/8 of a cup of water. How many cups of liquid did Carly use in all?

• 2/3 cup of oil
• 1/2 cup of oil
• 1/4 cup of oil
• 1/8 cup of oil

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Oscar began his pizza delivery route with 4/6 of a tank of gas in his car. When he made it back to the pizzeria, 2/6 of a tank of gas was left. How much gas did Oscar use making the deliveries?

• 1/6 tanks
• 1/3 tanks
• 1/4 tanks
• 2/4 tanks

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

A construction company is digging a pit to build the foundation of a house.
At the end of the first day, the company had hauled away 1/6 of a truckload of dirt.
On the second day, they hauled away 2/6 of a truckload. How many truckloads did they haul away in all?

• 1/4 truckload
• 1/2 truckload
• 3/4 truckload
• 1/3 truckload

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Kristen watched a beetle and a spider on the sidewalk. The beetle crawled 2/3 of a yard and the spider crawled 1/3 of a yard. How much farther did the beetle crawl than the spider?

• 1/3 yard
• 2/3 yard
• 3/6 yard
• 3/3 yard

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the least common denominator for 3 and 4?

• 6
• 4
• 3
• 12

Tags

CCSS.4.NF.A.2

What is the least common denominator for 7 and 2?

• 12
• 14
• 7
• 6

Tags

CCSS.4.NF.A.2

Solve.  
3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2