Add & Subtract Fractions Quiz

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

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

• 6
• 4
• 3
• 12

What is the least common denominator for 6/7 and 1/2?

• 12
• 14
• 7
• 6

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

• 5/6
• 2/5
• 1/5
• 1

What is the least common denominator you could use to subtract 1/6 and 1/4?

• 24
• 16
• 20
• 12

What must you have to add and subtract fractions?

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

• 1/12
• 1
• 2/35
• 23/25

Simplify the fraction
15/20

• 5/10
• 3/4
• 2/3
• 1/5

Simplify the fraction 
18/32 

• 1/2
• 2/15
• 9/16
• 1/3