Simplify the expression $\displaystyle {\frac{{{x}^{{-{5}/{4}}}}}{{{x}^{{{1}/{3}}}}}}$. Assume $\displaystyle {x}>{0}$.

A) The answer can be written in the form $\displaystyle {x}^{{a}}$ where
the exponent $\displaystyle {a}$ is: Preview Question 6 Part 1 of 2   Note: enter the exponent as a reduced fraction or integer.

B) The answer can be written in the form $\displaystyle {\frac{{{1}}}{{{x}^{{b}}}}}$ where
the exponent $\displaystyle {b}$ is: Preview Question 6 Part 2 of 2   Note: enter the exponent as a reduced fraction or integer.