the numerator of a rational number is smaller than its denominator by 4 . if the numerator is increased by 3 and denominator is decreased by 5 the number becomes 2. find the rational number
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let numerator be x
then denominator = x +4
if x turns to x+3 and x+4 turns to x+4 -5 = x -1
then x+3 / x -1 =2
x+3 = 2x - 2
2x - x = 3+2
x = 5
so numerator is 5
and denominator is 5+4 =9
number is 5/9
then denominator = x +4
if x turns to x+3 and x+4 turns to x+4 -5 = x -1
then x+3 / x -1 =2
x+3 = 2x - 2
2x - x = 3+2
x = 5
so numerator is 5
and denominator is 5+4 =9
number is 5/9
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