Question

81. If the numerator of
of a fraction is
increased by 12% and its denominator
is reduced by 2%, then the fraction
6
becomes The original fraction is
7​

Answer 1

Answer:

let a/b be the original fraction.

So ,

New fraction = 56a/49b

=> 56a/49b = 6/7

=> a/b =42/56

numerator=x

denominator=y

then fraction=x/y

(x+12x/100)/(y-2y/100)=6/7

solving

we get x/y=21/28

fraction=21/28