question_answer

If the numerator of a certain fraction is increased by 2 and the denominator is increased by 1, then the resulting fraction becomes \[\frac{1}{2}\]. If, however, the numerator is increased by 1 and the denominator decreased by 2, then the resulting fraction equals \[\frac{3}{5}\]. The fraction is

A) \[\frac{2}{5}\]                          

B) \[\frac{1}{7}\]

C) \[\frac{3}{5}\]              

D)        \[\frac{2}{7}\]