Hi

The numerator of a certain fraction is 7 less than its denominator.

Let x and (x-7)represent the denominator and numerator respectively

Question states***

 [(x-7)-4] / (x+1) = 1/3

Solving for x

    |cross multiplying to solve for x

       3(x-11) = (x+1)

         2x = 34

          x = 17, the denominator. The numerator is 10.  (17-7)

   Fraction is 10/17



CHECKING our Answer***

   6/18 = 1/3 

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