Question

Divide: ${\displaystyle \frac{21}{44} \text{by}-\frac{11}{9}}$

Answer 1

${\displaystyle \frac{21}{44} \text{by}-\frac{11}{9}}$

${\displaystyle =\frac{21}{44} ÷(-\frac{11}{9})\Rightarrow \frac{21}{44}\times -\frac{9}{11}}$

${\displaystyle =\frac{21\times (-9)}{44\times 11}=-\frac{189}{484}}$