-81/117 = -9/13
9/13
81
81 over 100 is already in simplest form.
5/81 is the simplest form.
64/81 is in its simplest form.
50/81 is in its simplest form.
40/81 is in its simplest form.
The simplest form for 81 over 90 is 9/10
17/81 is in its simplest form.
11/27 is 33/81 simplest form.
25/81 is already a fraction written in its simplest form.