Adding, Subtracting, Multiplying and Dividing Fractions

Adding, Subtracting, Multiplying and Dividing Fractions

Multiple Choice

What must you have to add and subtract fractions?

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

Multiple Choice

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. 

Multiple Choice

What is the sum of these fractions in lowest terms?

• 4 (2/5)

• 6/3

• 1 (7/15)

• 6/15

Multiple Choice

5/7 + (-9/7)

• -4/7

• -7/4

• 4/7

• -7/4

Multiple Choice

11/6 - (-7/6)

• -3

• 1/3

• -1/3

• 3

Multiple Choice

What is the sum of these fractions in lowest terms?

• 4/5
• 3/20
• 17/20
• 4/20

Multiple Choice

Mulltiply & Simplify.

  $\frac{2}{5}\cdot\frac{7}{9}=$  

•  $\frac{9}{14}$  

•  $\frac{33}{100}$  

•  $\frac{14}{45}$  
  
  

•  $\frac{1}{9}$  

Multiple Choice

Find the product. Then, simplify. 1/8 X 2/3

• 2/24

• 3/24

• 1/12

• 3/16

Multiple Choice

Find the product. Then, simplify. 5/6 X 3/4

• 10/18

• 5/8

• 10/6

• 15/12

Multiple Choice

Divide (AKA Multiply by the reciprocal) and then simplify.

  $\frac{3}{8}\div\frac{1}{2}=$  

• 10

•  $\frac{3}{4}$  

•  $\frac{1}{4}$  
  
  

•  $\frac{4}{10}$  

Multiple Choice

Divide (AKA Multiply by the reciprocal) and then simplify.

  $\frac{1}{5}\div\frac{2}{3}=$  

• 5

•  $\frac{3}{10}$  

•  $\frac{2}{15}$  
  
  

•  $\frac{3}{8}$