8/30 = 4/15
30/48 = 5/8
4/15 = 8/30
85/30 = 81/6 = 49/8.
30.625 = 30 + 5/8
5/8
80/30
The numerator is the top number in a fraction. For example, 7 would be our numerator in the fraction 7/8. The denominator is the bottom number in a fraction. For example, 8 would be our denominator in the fraction 7/8.
8/60 = 4/30 = 2/15
30/80 is one such.
2 over 15
If you mean 30:48, then it would be 5:8 If it's 30/48, then it would be 5/8