Выполните действия 24 9/38 - 17 5/38; 15 7/10 - 2 4/10 +6 1/10 вычислите 7 14/15 + 2 1/15; 9 24/27 + 12 13/27; 1- 12/19;

Вычислим значения выражений, целую часть прибавляем к целой, а дробную часть к дробной:

1) 24 9/38 - 17 5/38 = 24 - 17 + 9/38 - 5/38 = 7 + 4/38 = 7 + 2/19 = 7 2/19;

2) 15 7/10 - 2 4/10 + 6 1/10 = 15 - 2 + 6 + 7/10 - 4/10 + 1/10 = 19 + 4/10 = 19 + 2/5 = 19 2/5;

3) 7 14/15 + 2 1/15 = 7 + 2 + 14/15 + 1/15 = 9 + 15/15 = 9 + 1 = 10;

4) 9 24/27 + 12 13/27 = 9 + 12 + 24/27 + 13/27 = 21 + 37/27 = 21 + 1 10/27 = 22 10/27;

5) 1 - 12/19 = 19/19 - 12/19 = 7/19;

6) 8 - 3 6/15 = 7 - 3 + 1 - 6/15 = 4 + 15/15 - 6/15 = 4 + 9/15 = 4 + 3/5 = 4 3/5;

7) 12 - 11 6/11 = 11 - 11 + 1 - 6/11 = 11/11 - 6/11 = 5/11;

8) 16 3/13 - 6 8/13 = 16 - 6 + 3/13 - 8/13 = 10 - 5/13 = 9 + 1 - 5/13 = 9 + 13/13 - 5/13 = 9 + 8/13 = 9 8/13.