Question
\begin{array}{r}\frac{7}{8} \\ +\frac{1}{2} \\ \end{array} \begin{array}{r} 8 \frac{1}{3} \\ -2 \frac{2}{5} \\ \hline \end{array} \begin{array}{r}\frac{15}{16} \\ -\frac{3}{16} \\ \end{array} \begin{array}{r}\frac{2}{5} \\ +6\frac{1}{4} \\ \end{array}
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