5.301 Найдите сумму: a) 6 + 8 7/13; б) 12 + 19 5/24; в) 5 7/15 + 8 4/15; г) 13 5/101 + 7 25/101; д) 4 3/7 + 15 4/7; е) 3 9/13 + 4 8/13

a) (6 + 8\frac{7}{13} = 6 + 8 + \frac{7}{13} = 14\frac{7}{13}) б) (12 + 19\frac{5}{24} = 12 + 19 + \frac{5}{24} = 31\frac{5}{24}) в) (5\frac{7}{15} + 8\frac{4}{15} = 5 + 8 + \frac{7}{15} + \frac{4}{15} = 13 + \frac{11}{15} = 13\frac{11}{15}) г) (13\frac{5}{101} + 7\frac{25}{101} = 13 + 7 + \frac{5}{101} + \frac{25}{101} = 20 + \frac{30}{101} = 20\frac{30}{101}) д) (4\frac{3}{7} + 15\frac{4}{7} = 4 + 15 + \frac{3}{7} + \frac{4}{7} = 19 + \frac{7}{7} = 19 + 1 = 20) е) (3\frac{9}{13} + 4\frac{8}{13} = 3 + 4 + \frac{9}{13} + \frac{8}{13} = 7 + \frac{17}{13} = 7 + 1\frac{4}{13} = 8\frac{4}{13})