Add and Subtract More Than Two Fractions

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Zane ate 1/4 of a pizza, and Tyler ate 6/8 of a different pizza. How much more pizza did Tyler eat than Zane?

• 6/32

• 2/8

• 1/2

• 5/4

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12

• 3/7

• 11/12

• 1/3

What is the sum of these fractions in lowest terms?

Nancy has 4/5 of last week's allowance and 4/7 of this week's allowance. How much allowance in total does Nancy have left?

• 8/12 week's

• 12 week's 

• 1 13/35 week's 

• 8/35 week's 

Evaluate 9 1/3 - 3 5/8.

• 5 17/24

• 6 4/5

• 5 8/24 

• 3 15/24

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tiffany bought 2/5 kg of cherries.  Linda bought 1/10kg of cherries.  How many kg of cherries did they buy altogether?  

• 1/5 kg

• 3/10 kg

• 5/15 kg

• 1/2 kg

Mikela uses 1 1/6 cups of rye flour and 3/4 cups of wheat flour to make bread.
How much flour does Mikela use in all?

• 1 11/12 cups

• 1 3/4 cups

• 1 2/5 cups

• 2 cups

Solve.  
3/5 + 1/4 = 

• 5/20

• 12/20

• 7/20

• 17/20