Question

Помогите пожалуйста!!!!!!!!! ДАЮ 15 БАЛЛОВ

Answer 1

1. $\frac{6}{7} - \frac{1}{14} = \frac{12}{14} - \frac{1}{14} = \frac{11}{14}$
2. $\frac{3}{4} + \frac{7}{12} = \frac{9}{12} + \frac{7}{12} = \frac{16}{12} = 1 \frac{1}{3}$
3. $\frac{7}{10} + \frac{2}{15} = \frac{21}{30} + \frac{4}{30} = \frac{25}{30} = \frac{5}{6}$