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

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

Tags

CCSS.7.NS.A.1C

A plumber is fitting a water pipe that is 3/4 foot long on to a water pipe that is 2/12 foot long. How long will the finished pipe be?

• 11/12 foot

• 8/16 foot

• 2/12 foot

• 1 foot

Tags

CCSS.7.NS.A.1C

A contractor was paving a driveway. He mixed 4/7 ton of sand and 1/3 ton of concrete. How much did the mixture weigh?

• 1/4 ton

• 2/5 ton

• 5/7 ton

• 19/21 ton

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

5  1/2 + 6  2/3=
Simplify/Reduce if needed.

• 11  7/6

• 10  1/6

• 12  1/6

• 9  3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2  2/10 + 5  1/5 =
Simplify/Reduce if needed.

• 5  3/4

• 7  2/5

• 3  3/5

• 7  4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8  2/4 - 3  2/3=
Simplify/Reduce if needed.

• 5  2/12

• 4  5/6

• 11  1/6

• 8  2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

6½ - 2⅔

• 4  1/6

• 3  5/6

• 4  1/2

• 3  1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Simplify ¹²/₁₆

• ³/₄

• ²/₃

• ¹⁰/₁₂

• ²⁴/₃₂

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2