If the numerator of a fraction be increased by 12% and its denominator decreased by 2% the value of the fraction becomes 6/7. Thus, the original fraction is:
Answers
Answered by
5
let a/b be the original fraction.
So ,
New fraction = 56a/49b
=> 56a/49b = 6/7
=> a/b =42/56
So ,
New fraction = 56a/49b
=> 56a/49b = 6/7
=> a/b =42/56
Answered by
4
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
denominator=y
then fraction=x/y
(x+12x/100)/(y-2y/100)=6/7
solving
we get x/y=21/28
fraction=21/28
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