Test Prep for Adding and Subtracting Fractions

Change 23/4 into a mixed number.

• 5  1/4
• 4  5/4 
• 5  3/4 
• 4 

What must you have to add and subtract fractions?

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

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

• 30
• 11
• 6
• 5

6/7 - 4/5 

• 1/12
• 1
• 2/35
• 23/25

4 ⅛  - 2 ¼

• 1 7/8
• 2 1/8
• 3
• 6 3/8

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons
• 13/18 gallons
• 4/5 gallons
• 1/6 gallons

Martin made cookies. He used 6/15 of a cup of flour and 1/5 of a cup of sugar. How much more flour than sugar did Martin use?

• 7/15 flour
• 1/5 flour
• 9/10 flour
• 1/100 flour

_{Use the models to add.}

• 2/3
• 15/18
• 1/4
• 9/27

Ms. Patel cut 3   1/2 inches of wood off of a board that was originally
7   3/4 inches long. How long was the board after she made the cut?

• 4 inches
• 4   1/6 inches
• 4    1/4 inches
• 4    1/2 inches

Mariah drove 5  2/3 miles to a friend’s house and then drove 11  5/6 miles to the park. How many miles did she drive?

• 16   7/9 miles
• 16    9/12 miles
• 17   1/6 miles
• 17   1/2 miles