Add/Subtract Fractions Review

• 3/12

• 4/8

• 1/4

• 1/2

17/20 - 6/20

• 11
• 23/20
• 11/20
• 11/0

3 1/2 + 2 4/8 = ?

• 6

• 5 5/10

• 5 5/8

• 6 1/2

2 1/3 - 1 3/8 = ?

• 1 17/24

• 23/24

• 1 1/24

• 3/8

1 1/4 + 3 5/6 = ?

• 4 1/12

• 5 1/12

• 13/12

• 4 3/4

12 - 5 1/6 = ?

• 6 1/6

• 7 5/6

• 7 1/6

• 6 5/6

What must you have to add and subtract fractions?

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

What is the least common denominator for 1/3 and 3/4?

• 6
• 4
• 3
• 12

Simplify  
6/42

• 2/5
• 7
• 1/7
• 3/21