Subtracting Fractions
Adding Fractions
Fractions X Whole Number
Word Problems
Fill in the missing fraction!
Common Denominator
100

4/5 - 1/5

3/5, 15/25, 60/100

100

4/5 + 1/5

5/5, 1

100

1/3 of 9

3

100

John spends 1/2 of an hour eating dinner and then 1/4 of an hour doing his homework.  How much time did he spend in all?

3/4, 6/8, 9/12, 45/60, 75/100

100

1/3 + _____ = 1

2/3

100

Find the common denominator for these fractions: 

1/3

1/4

3/8

24

200

3/4 - 1/2

1/4, 2/8, 3/12, 15/60, 25/100

200

4/10 + 1/2

90/100, 9/10, 18/20

200

2/3 of 9

6

200

Sarah spends 5/6 of an hour on her homework.  John spends 1/2 of an hour on his homework.  How much more time did Sarah spend than John?

2/6, 20/60, 4/12

200

1 4/7 + ______ = 2

3/7

200

1/6+ 2/8


Find the common denominator for these fractions and change the fractions so they are ready to be added.  

24

4/24

6/24

300

2/3 - 1/4

5/12, 25/60

300

5/8 + 1/3

23/24, 46/48
300

1/4 of 36

9

300

Steve ran 1/3 of a 24 km race and then he started walking.  How many km has he ran?

8 km

300

4 3/4 - _______ = 1

3 3/4

300

8/9 / 2/3 and 2/6


Find common denominators and change the fractions

18


16/18, 12/18, 6/18

400

3/8 - 1/6

5/24, 10/48

400
3/5 + 3/4

135/100, 1 35/100, 27/20, 1 7/20

400

3/4 X 16

12

400

Sam is 5 1/4 ft tall.  Jenny is 5 1/2 ft tall.  Who is taller?  How much taller are they?

Jenny is taller. Jenny is 1/4, 2/8, 25/100, 15/60 taller

400

1/4 + ______ = 3/8

1/8, 4/32

400

Find the common denominator of these fractions.  

Adjust the fractions appropriately.

4/7, 7/9

63

36/63

49/63

500

1 1/5 - 2/3

8/15

500

2 3/4 + 1 4/7

3 37/28, 4 9/28

500

4/5 X 30

24

500

Kevin is making a cake.  He has 1/4 of a cup of sugar, 2/5 of a cup of flour, and 3/20 cups of butter.  How much is all of that together?

16/20, 80/100, 32/40, 8/10

500

1/10 + ______ = 4/5

7/10

500

Find the common denominator between these fractions.  Adjust the fractions appropriately.  

3/11, 2/9

99

27/99, 22/99