Question

Выполни действие 2),4)(пж можно с решение))))

Answer 1

Ответ:

2)$3\frac{5}{12} + 9\frac{1}{6} - 5\frac{1}{18} = 7\frac{19}{36}$

4)$5\frac{2}{3} + 11\frac{7}{12} - 4\frac{3}{4} =21\frac{5}{12}$

Пошаговое объяснение:

2)

1)$3\frac{5}{12} + 9\frac{1}{6} =\frac{41}{12} + \frac{55}{6} = \frac{151}{12}$

2)$\frac{151}{12} - 5\frac{1}{18} = \frac{151}{12} - \frac{91}{18} = \frac{453}{36} - \frac{182}{36} = \frac{271}{36} = 7\frac{19}{36}$

4)

1)$5\frac{2}{3} + 11\frac{7}{12} = \frac{17}{3} + \frac{132}{12} = \frac{68}{12} + \frac{132}{12} = \frac{200}{12}$

2)$\frac{200}{12} - 4\frac{3}{4} = \frac{200}{12} - \frac{19}{4} = \frac{200}{12} - \frac{57}{12} = \frac{257}{12} = 21\frac{5}{12}$