Question
Add the following rational numbers: $\frac{6}{13}\text{ and }\frac{-9}{13}$

Answer

$\frac{6}{13}+\frac{-9}{13}$ $=\frac{6}{13}-\frac{9}{13}$ $=\frac{6-9}{13}$ $\frac{-3}{13}$

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