Question

виконайте дії: 4 11/14+ 1 10/21, 5 7/12+4 9/16, 13 2/9-4 3/5, 10 5/16-9 19/24 помогите срочно!!!​

Answer 1

Ответ:

1) 4 11/14 + 1 10/21 = 5 + (33/42 + 20/42) = 5 53/42 = 6 11/42
2) 5 7/12+4 9/16 = 9 +(28/48 + 27/48) = 9 55/48 = 10 7/48
3) 13 2/9-4 3/5 = 9 + (10/45 - 27/45) = 8 + (55/45 - 27/45) = 8 28/45
4) 10 5/16-9 19/24 = 1 + (15/48 - 38/48) = 63/48 - 38/48 = 25/48