No. Three over five is 60% while ten over fifteen is 66.66%
0.66666
It is 3/5
1/20
1.5
66.6666667%
0.6667
1.5
2 over 3
17/21
the answer is 5/7
Since the denominator of the fraction 15 / 17 (15 over 17, or fifteen seventeenths) is a prime number, it cannot be reduced any further.