Write Each Rate or Ratio as a Fraction in Lowest $\frac{5}{3}$

Write each rate or ratio as a fraction in lowest terms.
Change to the same units when necessary.
-Compare in nickels: 9 dimes to 6 quarters.

A) $\frac{5}{3}$
B) $\frac{3}{5}$
C) $\frac{3}{2}$
D) $\frac{2}{3}$