Add and Subtract Mixed Numbers

USE SCRATCH PAPER AND SOLVE THIS WORD PROBLEM:

The classroom made cookies. They used 1 1/4 cups of white flour for the chocolate chip cookies. They used 2 1/3 cups of flour for peanut butter cookis. How much flour did they use in total?

• 3 2/7 cups

• 3 7/12 cups

• 1 1/12 cups

• 1 2/7 cups

What should you do with mixed numbers when adding, subtracting, multiplying, or dividing?

• change them to improper fractions using TX

• reduce them

• flip them

• find common factors

¹/₁₂ + ¹/₂ = 

• 7

• ⁷/₁₂

• ²/₁₂

• ¹/₂₄
  

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Reya has 3 1/4 quarts of water in her bowl, if she drank  3/4 quarts of water how much water would be left? (simplest form)

• 2  2/4

• 3  2/4

• 3  1/2

• 2  1/2

The Stansbury family started a road trip with a tank 7/8 full of gas. They used 1/4 of their gas tank. How much gas is left?

• 5/8 tank

• 3/4 tank

• 9/8 tank

• 3/2 tank

When you ________________________ fractions, you need to 1st find a common denominator.

• multiply

• divide

• add and subtract

• subtract

Add the following mixed numbers: 9 and 5/6 + 3 and 1/9. Simplify if possible.

• 12 and 17/18

• 18/15

• 12 and 6/15

• 12 and 6/18

Sarah ate 2 and 1/2 slices of pizza. JC ate 4 and 1/3 slices. How many slices did they eat in all? Simplify your fraction if need be.

• 6 and 2/5 slices

• 6 and 2/3 slices

• 6 and 5/6 slices

• Correct answer not shown

Subtract the following mixed numbers: 14 and 9/11 - 3 and 3/4. Simplify if possible.

• 14 and 3/44

• 14 and 6/7

• 11 and 6/7

• 11 and 3/44