4 over 85 = 4/85
4/5
Yes.
Yes, 7/60 can be reduced to its simplest form, which is 1/10.
17 over 30
If your answer needs to remain a fraction, you cannot reduce 34 over 85. The reason for this is that there is no number that can be divided into both 34 and 85 evenly. For example, 2 can be divided into 34 evenly (so the answer is a whole number), but 85 cannot be. Or 85 can be divided by 5, but 34 cannot be. So 34 over 85 is reduced as low as it can be as a fraction. Hope that makes sense to you.
59/60 No. There are no common factors to these numbers to be factored out and the fraction can not be reduced. In simplest form.
60/100 = 3/5
60/84 = 5/7
27/60 = 9/20
5/7
It is 12/31