Question

Please answer my question tomorrow is my exam and i don't know this sum.please help me
3/7+(-5)/14+1/2

Answer 1

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$\frac{3}{7} + \frac{( - 5)}{14} + \frac{1}{2} \\ = \frac{3}{7} - \frac{5}{14} + \frac{1}{2} \\ = \frac{6 - 5 + 7}{14} \\ = \frac{8}{14} \\ = \frac{4}{7}$

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Answer 2

3/7+(-5)/14+1/2.
now take the Lowest common multiple of the denominators.