It is: 2/3
58 is an integer, not a fraction and there is no sensible way to express it as a fraction.
58 is an integer and not a fraction. However, it can be expressed in rational form as 58/1.
58 + 25 is an integer, not a fraction.
The fraction would be 58/60 which can be reduced to 29/30.
58 is an integer and so there is no sensible way of writing it as a improper fraction.
58% = 58/100 = 29/50