17/12 = 1.5833
17
17/85 = 1/5
17/30 is in lowest reduced terms because 17 and 30 are coprime- that is, the only factor they share is 1. This is because 17 is already prime, and 17 is not a factor of 30.
52 over 68 in lowest terms is 13/17
1/17
The fraction 17/132 cannot be reduced any more.
68/432 = 17/108
12/17
17/12 = 1.5833
It's already reduced as 7 and 17 do not have common factors (except 1 of course).
17
17/85 = 1/5
17/30 is in lowest reduced terms because 17 and 30 are coprime- that is, the only factor they share is 1. This is because 17 is already prime, and 17 is not a factor of 30.
72 over 306 in lowest terms is 4/17
51 over 57 in lowest terms is 17/19
52 over 68 in lowest terms is 13/17