Question

Simplify each of the following and express the result as a rational number in standard form:

\[\frac{- 9}{16} \times \frac{- 64}{- 27}\]

Answer 1

\[\frac{- 9}{16} \times \frac{- 64}{- 27} = \frac{- 9}{16} \times \frac{- 4 \times 16}{- 3 \times 9} = \frac{- 4}{3}\]