Adding and Subtracting Fractions

5/8 of the staff are male. 5/12 of the staff works part time at the aquarium. What fraction of the staff is female?

• 7/12

• 5/8

• 3/8

• 5/12

Two kinds of fish can be found in a small tank that is 5 1/7 feet long. The blue fish is 2/15 feet long and the orange fish is 7/10 feet long. How much longer is the orange fish?

• 5 8/70

• 9/25

• 9/30

• 17/30

2/5 +2/3

• 4/8

• 16/15

• 6/10

• 4/15

18/20 - 4/20

• 14/20

• 22/20

• 72/40

• 12/40

The coffee cups can hold 7/9 of a pint of liquid. If Emily pours 2/3 of a pint of coffee into a cup, how much milk can a customer add?

• 4/9

• 1/3

• 1/9

• 3/5

There were two cheesecakes in the fridge. The first cheesecake was cut into 16 slices and there are 3 slices left. The other cheesecake was cut into 10 slices and 4 slices were sold. How much cake is left in the fridge?

• 3/16

• 4/10

• 63/80

• 6/10

The coffee shop also sells small bags of coffee beans. The bags come in two sizes: 4/5 kilogram and 7/12 kilogram. How much more coffee does the bigger bag have?

• 4/5

• 13/60

• 7/12

• 28/60

1/6 +6/11

• 47/66

• 7/17

• 7/66

• 8/66

4/6 - 4/8

(You must SELECT TWO equivalent fractions as your answer choices.)

• 1/2

• 8/48

• 0/2

• 1/6

A baker has 5 liters of milk to make a cake recipe. The recipe requires 3/4 liters of milk for the batter and 1/5 liters of milk for the frosting. How much milk does the baker have left after making the cake?

• 1/15

• 3/4

• 19/4

• 1/4