19/37 is the simplest form
19/37 is the simplest form.
37/38 is in its simplest form.
37/42 is in its simplest form.
37/60 is in its simplest form.
37/40 is in its simplest form.
35/37 is in its simplest form.
37/21 is already in its simplest form
18/37 is already in its simplest form
36/37 is in its simplest form.
That is the simplest form. 18/37 cannot be reduced.
It is already in its simplest form.