Question

please help me solve this ​

Answer 1

Answer:

$\frac{13}{21} \div \frac{39}{42} \times \frac{ - 3}{5} \\ = \frac{13}{21} \times \frac{42}{39} \times \frac{ - 3}{5} \\ = \frac{2}{3} \times \frac{ - 3}{5} \\ = \frac{ - 2}{5}$

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Answer 2

Answer:

Step-by-step explanation:

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