1.5 IS in its simplest form!
It is: 7 to 5 in simplest form
71/15 is in its simplest form.
15/73
15/7 is in its simplest form.
13/15 is the simplest form
7/15 is in its simplest form.
14/15 is in its simplest form.
2/15 is in its simplest form.
13/15 is in its simplest form.
8/15 is in its simplest form.
43/15 is in its simplest form.
4/15 is already in simplest form.4/15 is in its simplest form.