17/20 is in its simplest form.
It is already in simplest form. 17/20 can't be simplified any more.
17/20
17/20
4/17
17/20
17/20
17/20
17/20
4 and 17/20. Another way of saying that is 4.85
68/80 = 34/40 = 17/20 <-----------------------------
It is 17 : 10.