Adding and Subtracting Fractions with Uncommon Denominators

1/2 - 1/4 =

• 3/4

• 1/4

• 1

• 1/2

3/4 - 3/5 =

• 6/9

• 9/20

• 15/20

• 3/20

1/2 + 1/5 =

• 5/10

• 7/10

• 2/7

• 2/5

1/8 + 3/5 =

• 3/40

• 4/8

• 1/2

• 29/40

• A

• B

• C

• D

• 14/16

• 7/8

• 8/7

• 4/10

• A
• B
• C
• D

Sarem, Robin, and Braylan are sharing a pizza. Sarem eats 1/4 of the pizza, Robin eats 1/5 of the pizza, and Braylan eats 3/10 of the pizza. What fraction of the pizza is left?

• 4/5

• 3/20

• 17/20

• 4/20

1/2 + 1/4 =

• 3/4

• 2/6

• 6/8

• 1

• 1
• 3/6
• 1/2
• 2