$$\frac{2}{3}\times\frac{3}{4}\div\frac{1}{2}-\frac{1}{4}\times\frac{1}{2}\div-\frac{1}{3}$$
$\frac{11}{8}=1.375$
$$\frac{\frac{2\times 3}{3\times 4}}{\frac{1}{2}}-\frac{\frac{1}{4}\times \frac{1}{2}}{-\frac{1}{3}}$$
$$\frac{\frac{2}{4}}{\frac{1}{2}}-\frac{\frac{1}{4}\times \frac{1}{2}}{-\frac{1}{3}}$$
$$\frac{\frac{1}{2}}{\frac{1}{2}}-\frac{\frac{1}{4}\times \frac{1}{2}}{-\frac{1}{3}}$$
$$1-\frac{\frac{1}{4}\times \frac{1}{2}}{-\frac{1}{3}}$$
$$1-\frac{\frac{1\times 1}{4\times 2}}{-\frac{1}{3}}$$
$$1-\frac{\frac{1}{8}}{-\frac{1}{3}}$$
$$1-\frac{1}{8}\left(-3\right)$$
$$1-\frac{-3}{8}$$
$$1-\left(-\frac{3}{8}\right)$$
$$1+\frac{3}{8}$$
$$\frac{8}{8}+\frac{3}{8}$$
$$\frac{8+3}{8}$$
$$\frac{11}{8}$$
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$\frac{11}{2 ^ {3}} = 1\frac{3}{8} = 1.375$
