Question

The numerator of a fraction is 4 less than it's denominator.if 3 is subtracted from the numerator and 5 is added to the denominator,the fraction becomes1/4.what is the given fraction

Answer 1

x - 4    

  x

 x - 4 - 3     =     1    

  x + 5                4

  x - 7     =      1  

 x + 5              4

(x - 7)4  =  x+ 5

4x - 28 = x + 5

3x = 33

x = 11

 x- 4   =    11 - 4   =  7  

   x                11            11