Add/Subtract Fractions Retake

 $\frac{-4}{5}-\frac{1}{3}=$  

 $-\frac{2}{3}+\frac{1}{7}=$  

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. 

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

• 6
• 4
• 3
• 12

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

Following the integer rules, would you add or subtract the fractions?

• add, the answer would be positive

• add, the answer would be negative

• subtract, the answer will be positive

• subtract the answer will be negative

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

• 12
• 14
• 7
• 6

Simplify the fraction 
18/32 

• 1/2
• 2/15
• 9/16
• 1/3

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

- 1/3 + (-1/6)

• -1/2

• -1/3

• 1/3

• -1/9

• Answer not given