Divide the fractions: $6\large\frac{1}{4}$ by $2\large\frac{3}{5}$

Question

( A ) $\large\frac{21}{23}$
( B ) $\large\frac{1}{2}$
( C ) $\large\frac{21}{22}$
( D ) $2\large\frac{21}{22}$