Add and Subtract Fractions

Look at model. Which subtraction sentence shows the difference?

• 6/8 - 4/8 = 10/8

• 6/8 - 4/8 = 3/8

• 6/8 - 4/8 = 2/8

• 6/8 - 4/8 = 1/8

What is the sum of 2 1/2 + 2 1/2 + 4 1/2 + 3 1/2 + 1 1/2? Select ALL of the possible answers below.

• 12 1/2

• 12 5/10

• 12 5/2

• 14 1/2

• 12 5/8

What is the sum of the lengths of bracelets that are less than 4 7/8 inches long and more than 4 2/8 long?

• 18 1/8

• 24 26/8

• 27 2/8

• 12 13/8

Bubblegum bubble Measurements are given. Luciany decided to try and her bubble was 2/8 inch smaller than the biggest bubble. How big, in inches, was Luciany's bubble?

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Before you add or subtract fractions what must be the same?

• Numerator

• Denominator

• Just add

• Just subtract

Kayden has ³/₉ of a pizza and Laila gave her ²/₉ of a pizza.  How much pizza does Kayden have now?

• 5 Pizzas

• ⁵/₉ of a pizza

• ¹/₉ of a pizza

• 1 pizza

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

What is ³/₄ + ¹/₄?

• or ⁴/₄

• ³/₄ 

• ¹⁰/₁₆ or ⁵/₈ 

• ¹/₄

Which one is equivalent to  ¹²/₁₆

• ³/₄

• ²/₃

• ¹⁰/₁₂

• ²⁴/₃₂

How much of the Kit-Kat bar did Cole get to eat?

• ³/₄

• ¹/₄

• ²/₄

• 1 whole