Perform the Indicated Operation and Express in Lowest Terms $\frac{3}{15 x}+\frac{5}{15 x}$

Multiple Choice

Perform the indicated operation and express in lowest terms.
- $\frac{3}{15 x}+\frac{5}{15 x}$

A) $\frac{15 x}{8}$

B) $\frac{8}{30 x}$

C) $\frac{8}{15 x}$

D) 1