1/12 is in its simplest form.
5/6
1/3
1/4
9/50 is already in simplest form.
The simplest form of 9/9 is 1.
9/10 is the simplest form.
9/32 is in its simplest form.
9/50 is in its simplest form.
8/9 is the simplest form.
5/9 is in its simplest form.
20/9 is in its simplest form.