Question

subtract the following rational numbers​

Answer 1

$\frac{ - 4}{13} - \frac{ - 6}{7} \\ = \frac{ - 4}{13} + \frac{6}{7} \\ = \frac{6 \times 13 - 4 \times 7}{13 \times 7} = \frac{78 - 28}{91} = \frac{50}{91}$

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