It is: 4/11
11 over 20
11/2011/20
28/55 is in its simplest form.
36/55 is in its simplest form.
54/55 is in its simplest form.
55/7 is in its simplest form.
55/64 is in its simplest form.
38/55 is in its simplest form.
55/12 is already in its simplest form
56/55 is already in its simplest form
9/55 is already in simplest form!
It is: 55% = 11/20 as a simplified fraction