1.

Simplify : $$\frac{{\frac{1}{3} + \frac{1}{4}\left[ {\frac{2}{5} - \frac{1}{2}} \right]}}{{1\frac{2}{3}\,{\text{of }}\frac{3}{4} - \frac{3}{4}\,{\text{of }}\frac{4}{5}}} = ?$$

A. $\frac{{37}}{{78}}$$
B. $\frac{{37}}{{13}}$$
C. $\frac{{74}}{{78}}$$
D. $\frac{{74}}{{13}}$$
Answer» B. $\frac{{37}}{{13}}$$


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