$$(-8/5 \times 3/4) \div (7/8 \times -16/25)$$
$\frac{15}{7}\approx 2.142857143$
$$\frac{\frac{-8}{5}\times 3\times 25}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{-\frac{8}{5}\times 3\times 25}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{\frac{-8\times 3}{5}\times 25}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{\frac{-24}{5}\times 25}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{-\frac{24}{5}\times 25}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{\frac{-24\times 25}{5}}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{\frac{-600}{5}}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{-120}{4\times \frac{7}{8}\left(-16\right)}$$
$$\frac{-120}{\frac{4\times 7}{8}\left(-16\right)}$$
$$\frac{-120}{\frac{28}{8}\left(-16\right)}$$
$$\frac{-120}{\frac{7}{2}\left(-16\right)}$$
$$\frac{-120}{\frac{7\left(-16\right)}{2}}$$
$$\frac{-120}{\frac{-112}{2}}$$
$$\frac{-120}{-56}$$
$$\frac{15}{7}$$
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$\frac{3 \cdot 5}{7} = 2\frac{1}{7} = 2.142857142857143$
