If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction?  Pick one:
A) 1 / 12
B) 1 / 16
C) 1 / 19
D) 1 / 14
E) 1 / 13

Rationale: "x * ( 120 / 100 ) - - - - - - - - - - - - - - - - = 2 / 15 y * ( 75 / 100 ) x / y = 1 / 12 answer : a"
Answer: A