Question

Please answer this question

Answer 1

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Answer 2

$- \frac{2}{5} - ( - \frac{3}{10} ) - ( - \frac{4}{15} )$

$= - \frac{2}{5} + \frac{3}{10} + \frac{4}{15}$

$= \frac{( - 12 + 9 + 8)}{30}$

$= \frac{5}{30}$

$= \frac{1}{6}$

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