Add and Subtract Fractions QUIZ

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

• - 1  7/40
• 15/40
• - 1 10/40
• 17/40

 ¼ − (-¾)

• -1/2
• 4/0
• 1
• None of the above

 ½ + (-⅓)

• 1/6

• 2/3

• 1/5

• None of the above

4/5 - 2/3 = 

• 2/15

• 1/15

• 3/15

• 4/15

What number could be a common denominator for these three fractions?
1/2   and   1/3   and   1/4

• 9
• 8
• 12
• 6

3/4 + 2/8 = 

• 1
• 5/12
• 6/32
• 5/8

• 5 7/12
• 4 7/12
• 5 5/12
• 4 5/12

What must you have to add and subtract fractions?

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