Find the Ratio Described as a Fraction in Simplest Form $\frac { 1 } { 6 }$

Find the ratio described as a fraction in simplest form.
-Find the ratio of the shortest side to the perimeter of the right triangle.

A) $\frac { 1 } { 6 }$
B) $\frac { 2 } { 5 }$
C) $\frac { 13 } { 30 }$
D) $\frac { 5 } { 13 }$