Adding & Subtracting Fractions

Rearrange the steps for adding & subtracting fractions with unlike denominators in the correct order.

• List multiples and find the LCD

• Rewrite the equivalent fractions

• Simplify if necessary.

• Add or subtract the equivalent fractions.

Tags

CCSS.7.NS.A.1C

You must find the ​ (a)   before you can add or subtract fractions with unlike denominators.

• common denominator
• common numerator
• multiple
• simplified fraction

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Match the simplified fractions with their equivalent fractions.

• 1/2

• 5/10

• 1/4

• 3/15

• 1/10

• 2/8

• 3/4

• 3/30

• 1/5

• 9/12

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Mathematical Equivalence

OFF

Tim did 1/12 of a load of laundry on Sunday and 1/4 of a load of laundry on Saturday. What fraction of laundry did Tim do in total?

• 2/16 loads done 
• 1/3 loads done 
• 2/3 loads done 
• 2/12 loads done 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Mathematical Equivalence

OFF

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/6 + 3/8

• 13/24

• 11/18

• 3/4

• 1/4

Tags

CCSS.7.NS.A.1C

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2