It is in its simplest form as 9/16
9 over 51 can be simplified as 3 over 17.
16/13 is in its simplest form.
13/16 is the simplest form.
16/19 is in its simplest form.
16/15 is in its simplest form.
11 over 16 (11/16) is already in simplest form.
9/16 is in its simplest form
16/25 is in its simplest form.
9/16 is in its simplest form.
279/16 is in its simplest form.
16/105 is in its simplest form.
31/16 is in its simplest form.