Question
$\frac{2}{7}+\frac{1}{2}$
$\begin{aligned} \frac{2}{7}+\frac{1}{2} & =\frac{2 \times 2}{7 \times 2}+\frac{1 \times 7}{2 \times 7} \\ & =\frac{4}{14}+\frac{7}{14} \\ & =\frac{4+7}{14}=\frac{11}{14}\end{aligned}$
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