Adding and Subtracting Fractions

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

• Numerator

• Denominator

• Just add

• Just subtract

• 5/14
• 3/7
• 5/7
• 5/14

• 3/10
• 3/5
• 3/25
• 15/5

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

Solve

• 5/9

• 10/9

• 4/9

• 3/9

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?

• 1 or ⁴/₄
• ³/₄ 
• ¹⁰/₁₆ or ⁵/₈ 
• ¹/₄

Dylan had a whole cupcake in his lunch bag. He ate 1/4 of it. How much does he have left?

• 1/4
• 1/2
• 1/3
• 3/4

Anya is planting a garden with Sarah. Sarah wants to make the garden into 9 equal rows and plant corn in 3/9 or 1/3 of the garden. What fraction of the garden will be left for other vegetables?

• 1

• 6/9 or 2/3

• 4/9

• 5/9

What is the sum of these fractions?
 $\frac{2}{5}+\frac{1}{5}=$  

•  $\frac{3}{10}$  

•  $\frac{3}{5}$  

•  $\frac{5}{3}$  

•  $\frac{2}{25}$