Question

How to simplify this?

Answer 1

$(( { \frac{1}{3} )}^{ - 3} - ( { \frac{1}{2}) }^{ - 3} ) \div { \frac{1}{4} }^{ - 3} \\ \\ (( {3}^{ 3} ) - ( {2}^{ 3} )) \div {4}^{ 3} \\ \\ (27 - 8) \div 64 \\ \\ 19 \times \frac{1}{64} \\ \\ \frac{19}{64}$