Fractions

Fraction Addition

Fraction Subtraction

Word Problems

Fraction Of

Renaming Fractions

100

2/7 + 3/7 =

5/7

100

7/8 - 3/8 =

4/8 or 1/2

100

At an aquarium, the penguin nursery is open twice a day. Once for 2/3 of an hour, and second time for 5/12 of an hour. How much time is the nursery open altogether?

13/12 or 1 1/12

100

1/2 of 24

100

Rename 7/5 as a mixed number with the same denominator

1 2/5

200

3/8 + 5/16 =

11/16

200

3/4 - 1/8 =

5/8

200

The sharks at the aquarium are fed 3 times a day. They are fed 2/15 of a ton in the morning, and 3/15 of a ton in the afternoon. If they are fed 9/15 of a ton in total, how much are they fed in the evening?

4/15

200

1/3 of 21

200

Rename 1 9/6 as a mixed number with the same denominator

2 3/6 or 2/ 1/2

300

2/3 + 1/2 =

7/6 or 1 1/6

300

7/8 - 1/4 =

5/8

300

Jenna and her mom visited the aquarium and watched the dolphins get fed. There were 7 dolphins at the aquarium, and at each feeding, the dolphins were given 39 pounds of food. How many pounds does each dolphin get at each feeding?

39/7 or 5 4/7 pounds

300

1/5 of 45

300

Rename 3 2/5 as a mixed number with the same denominator

1 12/5, 2 7/5

400

5/7 + 2/5 =

39/35 or 1 4/35

400

4/7 - 3/8 =

11/56

400

An octopus weighed 5/6 pounds. After two weeks, its weight was increased by 3/10 pounds. But afterwards, it lost 1/5 pounds in weight as it was sick. What is its current weight?

58/60 or 29/30

400

1/7 of 42

400

Rename 7 3/8 as a mixed number with the same denominator

1 51/8, 2 43/8, 3 35/8, 4 27/8, 5 19/8, 6 11/8

500

Write an equation with 2 fractions that equals 1 3/5

4/5 + 4/5

500

Write an equation with 2 fractions that equal 3/4

1 1/4 - 1/2 =

500

An otter in the aquarium was born early. At birth it weighed 3 4/15 oz. This is 1 1/3 oz less than the average weight of a newborn otter. What is the average weight of a newborn otter?

4 3/5 oz

500

2/3 of 81

500

Rename 4 5/7 as a mixed number with the same denominator in 2 ways

1 26/7, 2 19/7, 3 12/7