219. Выполните сложение: а) 5/13 + 7/13 б) 2 5/9 + 9 в) 6 2/17 + 3 11/17 г) 8 + 7 5/6 д) 4 5/11 + 1 6/11 е) 9 11/15 + 5 8/15

а) \(\frac{5}{13}\) + \(\frac{7}{13}\) = \(\frac{5+7}{13}\) = \(\frac{12}{13}\) б) 2 \(\frac{5}{9}\) + 9 = 11 \(\frac{5}{9}\) в) 6 \(\frac{2}{17}\) + 3 \(\frac{11}{17}\) = 9 \(\frac{2+11}{17}\) = 9 \(\frac{13}{17}\) г) 8 + 7 \(\frac{5}{6}\) = 15 \(\frac{5}{6}\) д) 4 \(\frac{5}{11}\) + 1 \(\frac{6}{11}\) = 5 \(\frac{5+6}{11}\) = 5 \(\frac{11}{11}\) = 5 + 1 = 6 е) 9 \(\frac{11}{15}\) + 5 \(\frac{8}{15}\) = 14 \(\frac{11+8}{15}\) = 14 \(\frac{19}{15}\) = 14 + 1 \(\frac{4}{15}\) = 15 \(\frac{4}{15}\)