Question

(2/5*-3/8) +(-5/7) +(2/5*-7/4)​

Answer 1

Answer:

$( \frac{2}{5} \times \frac{ - 3}{8} ) + ( \frac{ - 5}{7} ) + ( \frac{2}{5} \times \frac{ - 7}{4} ) \\ = \frac{ - 6}{40} - \frac{5}{7} - \frac{14}{20} \\ = \frac{ - 42 - 200 - 196}{280} \\ = \frac{ - 338}{280}$

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Step-by-step explanation:

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