Show:
LCM
GCF
Adding Fractions
100

LCM of 4 and 5

20

100

GCF of 18 and 36

18

100

1/5 + 2/8 = 

18/40

200

LCM of 9 and 7

63

200

GCF of 45 and 30

15

200

1/6 + 3/5 =

23/30
300

LCM of 4, 5 and 6

60

300

GCF of 9 and 20

1

300

1/2 + 3/5 = 

11/10