Выполните вычитание 5 3/5-1 4/5. 7 5/9- 2 8/9.

Question

Выполните вычитание 5 3/5-1 4/5. 7 5/9- 2 8/9.

Answer 1

1) 5 3/5 - 1 4/5 = 28/5 - 9/5 = (28-9)/5 = 19/5 = 3 4/5 = 3,8
2) 7 5/9 - 2 8/9 = 68/9 - 26/9 = (68-26)/9 = 42/9 = 4 6/9 = 4 2/3