Question

(- 16/27 ) : ( - 64/9 )

Answer 1

(- 16/27)/(- 64/9)

(- 16/27).(-9/64)

(- 1/3).(-1/4)

1/6

Resposta: 1/6

Answer 2

$- \frac{16}{27} \div - \frac{ 64}{9}$

$- \frac{16}{27} \times - \frac{9}{64}$

$+ \frac{144}{1728}$

tornando ela irredutível, ficará :

$\frac{72}{864} = \frac{1}{12}$

no final ficará +1/12