Multiply Write the Answer in Simplest Form $6 \cdot 9 \frac { 9 } { 16 }$

Multiple Choice

Multiply. Write the answer in simplest form.
- $6 \cdot 9 \frac { 9 } { 16 }$

A) $57 \frac { 3 } { 8 }$
B) $15 \frac { 3 } { 8 }$
C) $54 \frac { 9 } { 16 }$
D) $57 \frac { 5 } { 8 }$