How can we convert Percentage into Fraction ??

1) 91.66% - Convert into Fraction

Sum of the digits of a two-digit numberis9.When we interchange the digits,it is found that the resulting new number is greater than the original number by 27.What is the two digit number.

Sum of the digits of a two-digit numberis9.When we interchange the digits,it is found that the resulting new number is greater than the original number by 27.What is the two digit number.

Can u explain solving of rational numbers with appropriate property