Выполните действие:
а) $91\frac{1}{6} + 3\frac{5}{18}$;
б) $1\frac{4}{15} + 2\frac{3}{20}$;
в) $5\frac{1}{8} + 41\frac{7}{12}$;
г) $39\frac{5}{6} + 12\frac{5}{9}$;
д) $36\frac{5}{7} + 12\frac{7}{8}$;
е) $5\frac{2}{3} + \frac{3}{4}$;
ж) $4 + 3\frac{3}{7}$;
з) $8\frac{7}{9} + 3$.
$91\frac{1}{6} + 3\frac{5}{18} = 91\frac{3}{18} + 3\frac{5}{18} = 94\frac{8}{18} = 94\frac{4}{9}$
$1\frac{4}{15} + 2\frac{3}{20} = 1\frac{16}{60} + 2\frac{9}{60} = 3\frac{25}{60} = 3\frac{5}{12}$
$5\frac{1}{8} + 41\frac{7}{12} = 5\frac{3}{24} + 41\frac{14}{24} = 46\frac{17}{24}$
$39\frac{5}{6} + 12\frac{5}{9} = 39\frac{15}{18} + 12\frac{10}{18} = 51\frac{25}{18} = 51\frac{7}{18}$
$36\frac{5}{7} + 12\frac{7}{8} = 36\frac{40}{56} + 12\frac{49}{56} = 48\frac{89}{56} = 49\frac{33}{56}$
$5\frac{2}{3} + \frac{3}{4} = 5\frac{8}{12} + \frac{9}{12} = 5\frac{17}{12} = 6\frac{5}{12}$
$4 + 3\frac{3}{7} = 7\frac{3}{7}$
$8\frac{7}{9} + 3 = 11\frac{7}{9}$
Пожауйста, оцените решение