0
Wiki User
1/12
16/180 = 4/45
15/180 = 1/12
180/210 = 6/7
100/180 = 5/9
9/180 = 1/20
It is 2 over 3.
2/5 keep dividing it until its to its simplest form :)
8/45
3/5
1/3
11/90
30/37