Fraction and Integer Operations

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

• 14/16
• 7/8
• 8/7
• 4/10

• - 3/56
• 18/56
• - 4/15
• 29/56

• 1/12
• 1
• 2/35
• 23/25

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

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. 

Simplify ¹²/₁₆

• ³/₄
• ²/₃
• ¹⁰/₁₂
• ²⁴/₃₂

What is the sum of the following equation in simplest for?:

2/6 + 2/6 =

• 5/6

• 2/3

• 3/6

• 1/2

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

• 9
• 8
• 12
• 6

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5