Add or Subtract $\frac{9}{10}-\frac{3}{10}$ A) $\frac{6}{5}$ B) $\frac{6}{10}$ C) $\frac{3}{10}$ D) $\frac{3}{5}$

Multiple Choice

Add or subtract. Write the answer in lowest terms.
- $\frac{9}{10}-\frac{3}{10}$

A) $\frac{6}{5}$
B) $\frac{6}{10}$
C) $\frac{3}{10}$
D) $\frac{3}{5}$