Вычислите: 5/9 + 3/4 4/9 + 11/15 1/9 - 10/99 5/6 - 3/4 5/8 + 7/9 7/30 + 11/36 8/11 - 5/12 8/11 - 5/8

ответ:

9/88.

пошаговое объяснение:

1) 5\9 + 3\4 = 20\36 + 27\36 = 47\36 = 1 11/36;

2) 4\9 + 11\15 = 20\45 + 33\45 = 53\45 = 1 8/45;

3) 1\9 - 10\99 = 11\99 - 10\99 = 1\99;

4) 5\6 - 3\4 = 10\12 - 9\12 = 1/12;

5) 5\8 + 7\9 = 45\72 + 56\72 = 101/72 = 1 29/72 ;

6) 7\30 + 11\36 = 42\180 + 55\180 = 97/180;

7) 8\11 - 5\12 = 96\132 - 55\132 = 41/132;

8) 8\11 - 5\8 = 64\88 - 55\88 = 9/88.