5.5 is the simplest form, unless you consider 5 1/2 to be simpler.
11/2
11/20
36/55 is in its simplest form.
55/12 is already in its simplest form
It is already in its simplest form as 55/36
15/55 in simplest form is 3/11.
That would be 13/50 in its simplest form.
28/55 is in its simplest form.
9/55 is already in simplest form!
38/55 is in its simplest form.
42/55 is in its simplest form
55/64 is in its simplest form.
54/55 is in its simplest form.
55/7 is in its simplest form.
36/55 is in its simplest form.
56/55 is already in its simplest form
55/12 is already in its simplest form
It is already in its simplest form as 55/36
55/932 is in its simplest form.