0
Wiki User
1/12
16/180 = 4/45
15/180 = 1/12
9/180 = 1/20
100/180 = 5/9
180/210 = 6/7
It is 2 over 3.
2/5 keep dividing it until its to its simplest form :)
8/45
11/90
18/55
1/18
3/5