What is the LCM of \( \frac{3}{10} \) and \( \frac{2}{5} \)?
\( \frac{5}{6} \)
\( \frac{3}{4} \)
\( \frac{6}{5} \)
\( \frac{3}{25} \)
C. \( \frac{6}{5} \)