Выполните действие 4 5/6 + 2 3/8 б) 7 15/18 - 1 7/12 в) 3 3/4 +2 2/7 г) 5 3/14 -1 1/21

4 5/6 + 2 3/8 = 4 20/24 + 2 9/24 = 6 29/24 = 7 5/24

7 15/18 - 1 7/12 = 7 30/36 - 1 21/36 = 6 9/36 = 6 1/4

3 3/4 + 2 2/7 = 3 21/28 + 2 8/28 = 5 29/28 = 6 1/28

5 3/14 - 1 1/21 = 5 9/42 - 1 2/42 = 5 7/42 = 5 1/6

А) ... = 29/6 + 19/8 = 116/24 + 57/24 = 173/24 = 7 5/24
б) ... = 141/18 - 19/12 = 282/36 - 57/36 = 225/36 = 6 9/36 = 6 1/4 = 6.25
в) ... = 15/4 + 16/7 = 105/28 + 64/28 = 169/28 = 6 1/28
г) ... =  73/14 - 22/21 = 219/42 - 44/42 = 175/42 =4 7/42 = 4 1/6