5.339 Выполните действие и сократите результат: a) \(\frac{3}{20} + \frac{7}{20}\) b) \(\frac{13}{15} - \frac{8}{15}\) v) \(\frac{9}{22} + \frac{2}{22}\) g) \(\frac{29}{36} - \frac{21}{36}\)

a) \(\frac{3}{20} + \frac{7}{20} = \frac{3+7}{20} = \frac{10}{20} = \frac{1}{2}\) б) \(\frac{13}{15} - \frac{8}{15} = \frac{13-8}{15} = \frac{5}{15} = \frac{1}{3}\) в) \(\frac{9}{22} + \frac{2}{22} = \frac{9+2}{22} = \frac{11}{22} = \frac{1}{2}\) г) \(\frac{29}{36} - \frac{21}{36} = \frac{29-21}{36} = \frac{8}{36} = \frac{2}{9}\)