No. Two even numbers will never be in simplest form.
81 over 100 is already in simplest form.
It already is in simplest form: 13/100
73/100 is already in simplest form.
69/100 is already in simplest form.
59/100 is already in simplest form.
73/100 is already in simplest form.
It is already in its simplest form as 59/100
59/100 is already in its simplest form
77/100 is already in its simplest form
It is already in its simplest form.
It is already in its simplest form
57/100 is already in its simplest form