Adding and Subtracting Fractions with Equivalent Fractions

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

If Ms. Perry brought the class a whole cheese pizza, and Silvia stole 3/26 of the pizza. Rakiya ate 5/26 of the pizza. Josiah ate 4/26 of the pizza. How much pizza does Ms. Perry have left?

• 1/26

• 14/26

• all of it

• 12/26

Steve connected a 3/8 foot wire extension to 5/8 foot wire. How far will the wire and extension reach?

• 1 foot

• 2/8 foot

• 1 yard

• 1/2 foot

Felix bought 5/6 pound of peanuts. He ate 3/6 pound of the peanuts with his friends. How much did Felix have left? Simplify your answer

• 8/6 pound

• 2/6 pound

• 1/3 pound

• 4/3 pound

What is ¹/₈ + ⁵/₈?

• 1
• ⁶/₁₆ or ³/₈
• ⁶/₈ or ³/₄
• ²/₄ or ¹/₂

What is ³/₄ + ¹/₄?

• or ⁴/₄

• ³/₄ 

• ¹⁰/₁₆ or ⁵/₈ 

• ¹/₄

Kylee has 1 cup of chocolate chips. She adds 4/6 of the cup to her ice cream. How much of the cup of chocolate chips is left?

• 3/6 or 1/2

• 4/6 or 2/3

• 2/6 or 1/3

• 1/6

Connor ate 6/8 of one pizza. Kirsti ate 2/8 of another pizza. How much more of a pizza did Connor eat?

• 3/8

• 6/8 or 3/4

• 4/8 or 1/2

• 2/8 or 1/4

What is the sum of the following equation:

2/8 + 4/8 =

• 6/16

• 2/8

• 6/8

• 2/16

Juan ate 3/8 of a pizza, and Nick 4/8 of the same pizza. They used the expression 3/8 + 4/8 to represent how much pizza they ate. What fraction of the pizza did Juan and Nick eat?

• 1/8

• 3/8

• 4/8

• 7/8