waecmaths question:
Simplify $\frac{1\tfrac{7}{8}\times 2\tfrac{2}{5}}{6\tfrac{3}{4}\div \tfrac{3}{4}}$
Option A:
9
Option B:
4½
Option C:
2
Option D:
½
waecmaths solution:
$\begin{align} & \frac{1\tfrac{7}{8}\times 2\tfrac{2}{5}}{6\tfrac{3}{4}\div \tfrac{3}{4}}=\frac{\tfrac{15}{8}\times \tfrac{12}{5}}{\tfrac{27}{4}\times \tfrac{4}{3}} \\ & =\frac{\tfrac{9}{2}}{9}=\frac{9}{2}\times \frac{1}{9} \\ & =\frac{1}{2} \end{align}$
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