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

• - 3/56
• 18/56
• - 4/15
• 29/56

Tags

CCSS.7.NS.A.1C

What is the Least Common Denominator of 1/5 + 2/10

• 5
• 10
• 50
• 15

Sally ran 1/3 of a mile and swam 5/6 of a mile. In simplest form, how much farther did she swim than she ran?

• 1/2
• 5/18
• 4/3
• 3/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Convert the mixed fraction to a improper fraction.

• 27 /7
• 21 /7
• 31 /7
• 41/7

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

Convert the mixed fraction to a improper fraction.

• 22 /9
• 20/9
• 31 / 9
• 4/6

15/7= 

• 1 3/7 
• 2 1/7
• 1/7 
• 3 3/7 

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

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