Выполните действия:
1) $4\frac{7}{32} + 5\frac{25}{32}$;
2) $9\frac{19}{41} - 6\frac{14}{41}$;
3) $4 - 2\frac{5}{9}$;
4) $8\frac{2}{13} - 5\frac{9}{13}$.
$4\frac{7}{32} + 5\frac{25}{32} = (4 + 5) + (\frac{7}{32} + \frac{25}{32}) = 9 + \frac{32}{32} = 9 + 1 = 10$
$9\frac{19}{41} - 6\frac{14}{41} = (9 - 6) + (\frac{19}{41} - \frac{14}{41}) = 3 + \frac{5}{41} = 3\frac{5}{41}$
$4 - 2\frac{5}{9} = 3\frac{9}{9} - 2\frac{5}{9} = (3 - 2) + (\frac{9}{9} - \frac{5}{9}) = 1 + \frac{4}{9} = 1\frac{4}{9}$
$8\frac{2}{13} - 5\frac{9}{13} = 7\frac{15}{13} - 5\frac{9}{13} = (7 - 5) + (\frac{15}{13} - \frac{9}{13}) = 2 + \frac{6}{13} = 2\frac{6}{13}$
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