+ / - Fractions

GCF/LCM

100

Find the GCF of 12 and 6

6

200

Find the LCM of 12 and 24.

24

300

Find the GCF and the LCM of 10 and 15

GCF = 5

LCM = 30

400

Find the GCF and the LCM of 16 and 64

GCF = 16

LCM = 64

500

Find the GCF and LCM of 84 and 105

GCF = 21

LCM = 420

Simplify

100

Simplify 6/24

1/4

200

Simplify 6/21

2/7

300

Simplify 24/64

3/8

400

Simplify 27/105

9/35

500

Simplify 9/117

1/13

Fraction to Decimal

100

Convert 9/10 to a decimal

0.9

200

Convert 55/100 to a decimal

0.55

300

Convert 9/25 to a decimal

0.36

400

Convert 7/20 to a decimal

0.35

500

Convert 3/8 to a decimal

0.375

Add Fractions

100

3/5 + 1/5

4/5

200

5/9 + 1/3 

8/9

300

 3/10 + 19/20

1  1/4

400

1  3/4 + 2  3/8

4  1/8

500

13  3/14 + 5  5/6

19  2/21

Subtract Fractions

100

6/7 - 1/7

5/7

200

11/15 - 3/5

2/15

300

4  3/4 - 3  2/3  

1  1/12

400

9  4/5 - 3  3/10

6  1/2

500

17  6/12 - 10  7/8

6  5/8