Answer
$\frac{4}{3}$
Work Step by Step
$\frac{4}{5}+\frac{8}{15}=\frac{4\times3}{5\times3}+\frac{8}{15}=\frac{12}{15}+\frac{8}{15}=\frac{12+8}{15}=\frac{20}{15}=\frac{20\div5}{15\div5}=\frac{4}{3}$
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