Question

Qual o resultado de -1/12 + 4/10

Answer 1

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$- \frac{1}{12} + \frac{4}{10} \\ \\ - \frac{1}{12} + \frac{2}{5} \\ \\ - \frac{1 \times 5}{12 \times 5} + \frac{2}{5} \\ \\ - \frac{1 \times 5}{12 \times 5} + \frac{2 \times 12}{5 \times 12} \\ \\ - \frac{5}{12 \times 5} + \frac{2 \times 12}{5 \times 12} \\ \\ - \frac{5}{60} + \frac{2 \times 12}{5 \times 12} \\ \\ - \frac{5}{60} + \frac{24}{5 \times 2} \\ \\ - \frac{5}{60} + \frac{24}{60} \\ \\ \frac{ - 5 + 24}{60} \\ \\ \frac{19}{60}$

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