Dividing both the numerator and denominator by 4, 12/20 becomes 3/5 or three fifths.
8 over 12 fraction in simplest form
3/20
5/12
3/5
1/12
3/5
12/5
5/3
it is: 20/48 = 5/12 simplified
12/20 = 3/5
9/20 is in its simplest form.
It is: 2/3 times 20/12 = 10/9 in its simplest form