LCD
GCF
Adding Fractions
Subtracting Fractions
Add/Subtract Mixed Numbers
100

Find the LCM of 3 and 4

12

100

Find the GCF of 8 and 4

4

100

5/6 + 2/6 = 

1 1/6

100

9/10 - 1/5

7/10

100

1 1/3 + 1/6

1 1/2

200

Find the LCM of 2 and 8

8

200

The GCF of 15 and 12

3
200

2/3 + 1/6

5/6

200

3/2 - 13/12

5/12

200

2 1/2 + 4 1/4

6 3/4

300

Find the LCM of 9 and 6

18

300

The GCF of 16 and 12

4

300

7/10 + 2/5

1 1/10

300

8/3 - 3/2

1 1/6

300

7 1/5 - 2 2/3

4 8/15

400

Find the LCD of 

2/5 + 9/10

10

400

Simplify:

30/35

6/7

400

9/8 + 5/6

1 23/24

400

3/4 - 1/2

1/4

400

1 4/5 - 1/10

1 7/10

500

Find the LCD of 

-4 3/4 + 1 5/6

12

500

Simplify

3 21/24

3 7/8

500

23/2 + 9/4

13 3/4

500

5/6 - 2/9

11/18

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