If 1 is added to the denominator of fraction, the fraction becomes 1/2. If 1 is added to the numerator, the fraction becomes 1. The fraction is ?
Choose the correct answer:
A) 4/7
B) 5/9
C) 2/3
D) 10/11
E) None
Answer   Let the required fraction be x/y   Then, x/(y + 1) = 1/2   ⇒ 2x - y = 1 ...(1)   (x + 1) / y = 1   ⇒ x - y = -1 ...(2)   Solving Eq. (1) and (2)   We get x = 2, y = 3   ∴ The fraction is 2/3   2/3orrect Option: 2/3
<result>C</result>
If 1 is added to the denominator of fraction, the fraction becomes 1/2. If 1 is added to the numerator, the fraction becomes 1. The fraction is ?