0
Anonymous
13/20
Wiki User
16/180 = 4/45
100/180 = 5/9
180/210 = 6/7
15/180 = 1/12
9/180 = 1/20
It is 2 over 3.
2/5 keep dividing it until its to its simplest form :)
28/34
30/37
18/55