Word Problems
Unlike Denominators Easy
Unlike Denominators Medium
Unlike Denominators Hard
100

John had a meeting on Wednesday for 2 7/8 hours, which is 1 1/4 hour longer than scheduled. How much time was scheduled for the meeting?

1 5/8 hours 

100

1/4 + 2/6

7/12

100

3/5 - 1/7 =

16/35

100

8/9 - 3/10 =

53/90

200

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?

3/8 of the staff are male

200

5/6 - 1/4 =

7/12

200

2/4 + 3/9 =

5/6

200

12/20 + 10/15 =

1  4/15

300

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?

The orange fish is 17/30 feet longer than the blue fish.

300

2/5 - 1/6 =

7/30

300

5/10 - 1/3 =

1/6

300

8/20 - 3/15 =

1/5

400

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

The octopus weighs 20/38 kilograms

400
3/5 + 1/8 =
29/40
400

4/5- 3/8 =

17/40

400

10/15 + 3/9 =

1

500

Jack spent 3/4 of an hour biking and 5/6 of an hour jogging. Afterwards, he swam for 1/8 of an hour. How much time did Jack exercise before he went swimming?

Before he went swimming, he exercised for 1 7/12 hours.

500
1/5 + 1/4 =
9/20
500

20/40 + 30/60 =

1

500

8/12 + 17/20 =

1  31/60

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