Addition and Subtraction of Fractions with Like Denominator with Models

1/4 + 2/4 =

3/7 + 2/7 =

2/8 + 3/8 =

6/9 + 2/9 =

If Sadie ate a 2/9 of a pizza, and Payton ate 3/9 of a pizza, how much much of the pizza was left?

• 4/9

• 9/5

• 5/9

• 4/5

Find the sum.
5/9  +  2/9

• 5/9

• 2/9

• 7/9

• 7/18

What is 2/8 + 3/8 = ?

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Cassie made fruit punch. She mixed ²/₃ cup cherry juice, ¹/₃ cup grape juice, ²/₃ cup ginger ale, and ¹/₃ cup lime juice. Which fraction equation can be used to find the amount of punch Cassie made?

• 6 = 2 + 1 + 2 + 1

• ⁵/₃ = ¹/₃ + ¹/₃ + ¹/₃ + ¹/₃ + ¹/₃

• ⁶/₁₂ = ²/₃ + ¹/₃ + ²/₃ + ¹/₃

• ⁶/₃ = ²/₃ + ¹/₃ + ²/₃ + ¹/₃

• A

• B

• C

• D

Simply the following fraction model.

• 1 

Answer explanation

The shaded area is the top number (numerator). The total boxes in one shape is the bottom number (denominator). If the numerator and denominator are the same then the answer is 1.