Answer
$8\frac{1}{8}$
Work Step by Step
We combine the fractions by finding the LCD and simplify if necessary:
$5\frac{3}{8}=5\frac{3}{8}$
${2\frac{3}{4}}={2\frac{6}{8}}$
$5\frac{3}{8}+{2\frac{6}{8}}=7\frac{9}{8}=8\frac{1}{8}$
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