Dear All ,

Q> When the numerator of a fraction increases by 4 ,the fraction increases by

2/3.The denominator of the fraction is ???

Ans > 6

but my doubt is in the solution:

let Fraction be - x/y.

then (x+4)/y - x/y = 2/3

ie y = 6

but why -x/y

pls explain me the solution pls