Question
$\frac{2}{5}+\frac{1}{3}$
$\begin{aligned} \frac{2}{5}+\frac{1}{3} & =\frac{2 \times 3}{5 \times 3}+\frac{1 \times 5}{3 \times 5} \\ & =\frac{6}{15}+\frac{5}{15} \\ & =\frac{6+5}{15}=\frac{11}{15}\end{aligned}$
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