Question

The denominator of a rational number is 2 more than the numerator . If 3 is added to the denominator , the number is obtained is 1/2 .Find the rational number .

Answer 1

let numerator be x then denominator is x+2
number is x/x+2
Now
x/x+5=1/2
⇒2x=x+5
⇒x=5
hence the number is 5/7

Answer 2

hi mate

Let the numerator be x denominator =x+2 +3 A.T.Q

x/(x+2)+3 = 1/2

x/x+5=1/2

by cross multiplication

x=5

Numerator =5

Denominator =5+2 =7

Rational number = 5/7

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