For any positive integer $n,\;n!$ mean the product of all, integer from $1$ to $n$. What is the value of $\large\frac{1}{5!} + \frac{1}{4!}$

Question

$\begin{array}{1 1} (a)\; \large\frac{5}{5!} \\ (b)\; \large\frac{4}{5!} \\ (c)\; \large\frac{6}{5!} \\ (d)\; \large\frac{2}{5!} \end{array}$