Question

$\frac{2}{3} \div ( - 2\frac{1}{4}$
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Answer 1

=-2/3
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Answer 2

Ответ:

$\frac{2}{3} \div ( - 2 \frac{1}{4} ) = \frac{2}{3} \div ( - \frac{2 \times 4 + 1}{4} ) = \\ \frac{2}{3} \div ( - \frac{9}{4} ) = \frac{2}{3} \times ( - \frac{4}{9} ) = \\ - \frac{ 8}{27}$