$$\frac{2}{3}\times\frac{3}{4}-\frac{1}{4}\times\frac{1}{2}\div\frac{-4}{5}+\frac{7}{8}$$
$\frac{49}{32}=1.53125$
$$\frac{2\times 3}{3\times 4}-\frac{\frac{1}{4}\times \frac{1}{2}}{\frac{-4}{5}}+\frac{7}{8}$$
$$\frac{2}{4}-\frac{\frac{1}{4}\times \frac{1}{2}}{\frac{-4}{5}}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{\frac{1}{4}\times \frac{1}{2}}{\frac{-4}{5}}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{\frac{1\times 1}{4\times 2}}{\frac{-4}{5}}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{\frac{1}{8}}{\frac{-4}{5}}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{\frac{1}{8}}{-\frac{4}{5}}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{1}{8}\left(-\frac{5}{4}\right)+\frac{7}{8}$$
$$\frac{1}{2}-\frac{1\left(-5\right)}{8\times 4}+\frac{7}{8}$$
$$\frac{1}{2}-\frac{-5}{32}+\frac{7}{8}$$
$$\frac{1}{2}-\left(-\frac{5}{32}\right)+\frac{7}{8}$$
$$\frac{1}{2}+\frac{5}{32}+\frac{7}{8}$$
$$\frac{16}{32}+\frac{5}{32}+\frac{7}{8}$$
$$\frac{16+5}{32}+\frac{7}{8}$$
$$\frac{21}{32}+\frac{7}{8}$$
$$\frac{21}{32}+\frac{28}{32}$$
$$\frac{21+28}{32}$$
$$\frac{49}{32}$$
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$\frac{7 ^ {2}}{2 ^ {5}} = 1\frac{17}{32} = 1.53125$
