Exponents
Fractions
Variables
Greatest Common Factor
Lowest Common Multiple
100

82

64

100

1/2 + 1/3

5/6

100

x + 5 = 9

x = 4

100

10 and 20

10

100

4 and 6

12

200

34

81

200

6 - 3/7

5 4/7

200

5x = 25

x = 5

200

14 and 21

7

200

6 and 9

18

300

63

216

300

6/12 x 2/10

1/10

300

4x - 4 = 20

x = 6

300

4, 12, 20

4

300

8 and 12

24

400

93

729

400

(1/6) / (7/12)

2/7

400

12x - 3 = 33

x = 3

400

18, 36, 54

18

400

7 and 12

84

500

113

1331

500

1 4/5 x 3 2/10

5 19/25

500

(2x - 1) / 3 = 3

5

500

22, 33, 77

11

500

7 and 17

119