Add and Subtract Mixed Numbers

What is the difference?

Find the difference.

• 17

Reduce if needed.

• 11/10
• 5/6
• 1  1/10
• 3  3/7

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

Add these fractions.
1/2 + 1/3 =

• 5/6
• 2/5
• 1/5
• 1

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

1/3 + 5/12

• 6/12
• 6/15
• 3/4
• 4/4