Prime Factorization
GCF
LCM
Add Fractions
Subtract Fractions
100

36

2x2x3x3

100

24 and 36

12

100

2 and 7

14

100

5/8 + 3/4

1  3/8

100

5/9 - 5/18

5/18

200

110

2x5x11

200

18 and 27

9

200

4 and 5

20

200

5/6 + 1/4

1  1/12

200

6/16 - 1/8

4/16 OR simplify to 1/4

300

54

2x3x3x3

300

42 and 49

7

300

6 and 10

30

300

3  1/6 + 1  7/8

5  1/24

300

3  3/5 - 1  2/7

2  11/35

400

104

2x2x2x13

400

72 and 96

24

400

12 and 14

84

400

2  2/5 + 2  2/7

4  24/35

400

4  7/10 - 2  1/4

2  9/20

500

325

5x5x13

500

144 and 156

12

500

16 and 24

48

500

10/7 + 10/9

2  34/63

500

42/6 - 42/7

1

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