Multiply
Lowest Common Denominator
Addition
Subtraction
Improper Fractions
Add and Subtract Mixed Numbers
100

3/of 35

What is 21

100

LCD of 7/12 and 3/8

24

100

Add the fractions:   2/5 + 5/10

9/10    

100

Subtract the fractions:   3/5  -  3/10

3/10

100

Turn to a mixed number

7/2

3 1/2

100

4 - 2 4/8

1 4/8 = 1 1/2

200

2/3 x 6

What is 4

200

LCD of 1/2 and 3/5

10

200

Add the fractions:  1/4 + 3/16

7/16

200

Subtract the fractions:  4/7  -  5/14

3/14

200

Turn to a mixed number

13/4

3 1/4

200

6 - 3 1/2

2 1/2

300

1 1/6 x 24

What is 28

300

LCD of 5/6 and 2/4

12

300

Add the fractions:  2/3 + 5/7

29/21   or   1 8/21

300

Subtract the fractions: 4 2/10  -  5/10

3 7/10 

300

Turn to a mixed number

27/5

5 2/5

300

15 1/4 + 5/8

15 7/8

400

2/Hour = __________ Minutes

What is 40 minutes

400

LCD of 3/8 and 4/10

40

400

Add the mixed numbers:   2 1/3 + 4 1/2

6  5/6

400

Subtract the fractions: 3 2/14 -  1 2/7

1  6/7

400

Turn to a mixed number

51/10

5 1/10

400

2 4/9 - 1 1/3

1 1/9

500

8 x 1/2

What is 4

500

LCD of 2/6 and 3/7

42

500

Add the mixed numbers:  8 1/5  +  1 7/9

9  44/45

500

Subtract the fractions:   1  1/6 - 21/30

7/15

500

Turn to a mixed number

66/7

9 3/7

500

11 1/9 - 3 2/3

7 4/9