Question

the denominator of a fraction is 4 less than its numerator .if 6is added to the numerator it becomes thrice the denominator .find the fraction solve

Answer 1

let numerator =x and denominator=y
according to the question
y=x-4 ---1
and x+6=3y----2
put value of equation 1 in 2
x+6=3x+12
so, fraction is 9/5
2x=18
x=9
Andy=9-4=5
so fraction is 9/5