In a given fraction, if 1 subtracted from the numerator and 2 is added to the denominator, it becomes ` (1)/(2)`. If 7 is subtracted from the numerator and 2 is subtracted from the denominator, it becomes `(1)/(3)`. The fraction is
A. ` (13)/(24)`
B. `(15)/(26)`
C. `(16)/(27)`
D. `(16)/(21)`