Question

$\frac{11}{26} + ( \frac{ - 9}{13} )$
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Answer 1

Answer:

$lcm \: \: of \: \: 26 \: and \: 13 = 26 \\ = \frac{11}{26} + ( \frac{ - 18}{26} ) \\ = \frac{11 + ( - 18)}{26} = \frac{ - 7}{26}$

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