17. Calculate the value of "x" and the fraction

The numerator of a fraction is 6 less than the denominator. If 18 added to both numerator and denominator, it becomes $\frac{5}{7}$. Then, find the value of $x$ and the fraction.

  

The value of  $x =$ .

 

The fraction is $=$ $\frac{i}{i}$.