There are four possible answers for each questions which are represented by (A), (B), (C ) and (D). Only one answer is correct out of these answer. Choose correct answer and write down the answer in English alphabet in the given box.
Solve the following to get -
`1""(1)/(24)-1+(7)/(36)`

Options

A. `(17)/(72)`
B. `1""(17)/(72)`
C. `(7)/(60)`
D. `2""(7)/(60)`