Реши примеры: 5.300 a) $13\frac{8}{9} - 4$ и 5.301 a) $6 + 8\frac{7}{13}$

- 5.300 a) $13\frac{8}{9} - 4 = 9\frac{8}{9}$ - 5.300 б) $17\frac{5}{14} - 5\frac{3}{14} = 12\frac{2}{14} = 12\frac{1}{7}$ - 5.300 в) $9\frac{5}{7} - 3\frac{6}{7} = 8\frac{12}{7} - 3\frac{6}{7} = 5\frac{6}{7}$ - 5.300 г) $100 - 20\frac{3}{14} = 99\frac{14}{14} - 20\frac{3}{14} = 79\frac{11}{14}$ - 5.301 a) $6 + 8\frac{7}{13} = 14\frac{7}{13}$ - 5.301 б) $12 + 19\frac{5}{21} = 31\frac{5}{21}$ - 5.301 в) $5\frac{7}{15} + 8\frac{4}{15} = 13\frac{11}{15}$ - 5.301 г) $13\frac{5}{101} + 7\frac{25}{101} = 20\frac{30}{101}$ - 5.301 д) $4\frac{3}{7} + 15\frac{4}{7} = 19\frac{7}{7} = 20$ - 5.301 e) $3\frac{9}{13} + 4\frac{8}{13} = 7\frac{17}{13} = 8\frac{4}{13}$