GCF
LCM
Adding/Subtracting Fractions
Multiplying Fractions
Simplifying Fractions
100

What is the GCF of 8 and 12?

4

100

What is the LCM of 3 and 5?

15

100

1/12 + 2/4

7/12

100

1/3 x 2/5

2/15

100

Simplify 2/10

1/5

200

What is the GCF of 14 and 28?

14

200

What is the LCM of 8 and 9?

72

200

1/5 + 1/6

11/30

200

4/7 x 4/7

16/49
200

Simplify 14/35

2/5

300

What is the GCF of 32 and 48?

16

300

What is the LCM of 15 and 25?

75

300

8/9 - 1/6

13/18

300

4 x 6/7

(Fully Simplified)

3 3/7

300

Simplify 32/12

2 2/3

400

What is the GCF of 128 and 144?

8

400

What is the LCM of 21 and 12?

84

400

2 3/4 + 3 3/5

6 7/20

400

3 1/3 x 1 3/4

(Fully Simplified)

5 5/6

400

Simplify 60/72

5/6

500

What is the GCF of 1000 and 1450?

50

500

What is the LCM of 100 and 125?

500

500

13 5/8 - 7 2/4

6 1/8

500

12 x 2 2/3

32
500

Simplify 144/168

6/7