Выполните сложение: -5/14+7/10.

\[- \frac{5}{14} + \frac{7}{10} = \frac{7}{10} - \frac{5}{14} =\]

\[= \frac{49}{70} - \frac{25}{70} = \frac{24}{70} = \frac{12}{35}\]