1/3 = 0,(3) ~ 0.3333333
5/9 = 0,(5)
7/12 = 0,58(3)
3/16 = 0,1875
12/18 = 0,(6)
9/20 = 0,45
11/21 = 0.(523809)
17/28 = 0.60(714285)
30/32 = 0.9375
10/48 = 0.208(3)
21/50 = 0.42
16/72 = 0.(2)
10/75 = 0.1(3)
20/99 = 0.(20)
84/200 = 0.42
465/555 = 0.(837)
999/1000 = 0.999