Question

Fill in the blanks:

\[\frac{- 4}{5} \times \left( \frac{5}{7} + \frac{- 8}{9} \right) = \left( \frac{- 4}{5} \times . . . . . \right) \times \frac{- 8}{9}\]

Answer 1

\[ \frac{5}{7}\]
\[x \times (y \times z) = (x \times y) \times z (\text{associativity of multiplication} )\]