Question

If we add 1 to the numerator and subtract one from the denominator a fraction reduces to one it becomes one by two if we only add one to the denominator what is the fraction

Answer 1

let the fraction be x/y
x+1/ y-1=1
x+1 =y-1
x-y =-2------(1)

let the fraction be x/y
x/ y+1=?
x=y+1---------(2)
put (2) in (1)
y+1 - y=-2
+1=-2
=-3