A fraction becomes 1/3 when 2 is sustracted from the numerator and it becomes 1/2 when 1 is subtracted from its denominator . Find the fractation

Asked by srrvam1504 | 25th Jan, 2020, 11:14: PM

Expert Answer:

let space the space fraction space be space straight x over straight y
case space 1
fraction numerator straight x minus 2 over denominator straight y end fraction equals 1 third
3 straight x minus straight y minus 6 equals 0... left parenthesis 1 right parenthesis

case space 2
fraction numerator straight x over denominator straight y minus 1 end fraction equals 1 half
2 straight x minus straight y plus 1 equals 0... left parenthesis 2 right parenthesis
sub
straight y equals 2 straight x plus 1 space in left parenthesis 1 right parenthesis
straight x equals 7
straight y equals 15

Answered by Arun | 26th Jan, 2020, 10:14: AM