Question

(-7) ÷ 21 ÷ 13
$( - 7) \div 21 \div 13 \times \frac{?}{?}$
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Answer 1

Answer:

The answer is

$\frac{ - 1}{39}$

Step-by-step explanation:

$\frac{ - 7}{21} = \frac{ - 1}{3} \\ now \: \frac{ - 1}{3} divide \: by \: 13 \\ \frac{ \frac{ - 1}{3} }{13} = \frac{ - 1}{3} \times \frac{1}{13} \\ \: \: \: \: \: \: \: = \frac{ - 1}{39}$

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