13/4 - 11/5 + 15/8 = ?

Answer: Option A

$$\begin{array}{rl}& \text{Given expression,}\\ & \frac{7}{4}-\frac{6}{5}+\frac{13}{8}\\ & =\frac{70-48+65}{40}\\ & =\frac{87}{40}\\ & =2\frac{7}{40}\end{array}$$