13/31 is already in its simplest form
13/31 is in its simplest form.
120 over 39 in simplest form = 40/13 or 31/13
It is: 1/10
31/100 is the simplest fraction form of 31 over 100
31/16 is in its simplest form.
9/31 is in its simplest form.
31/36 is in its simplest form.
31/20 is in its simplest form.
31/100 is in its simplest form.
31/10 is in its simplest form.
31/52 is in its simplest form.
5 / 31 is the simplest form, since 5 and 31 are coprime.