Answer
$\frac{1}{12}$
Work Step by Step
We have $\frac{2}{3}(\frac{7}{8}-\frac{3}{4})$
Solving $$\frac{2}{3}(\frac{7-6}{8}) = \frac{2}{3}(\frac{1}{8})$$ $$\frac{2}{24} = \frac{1}{12}$$
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