Question

Выполните действия: 7/9-0,4-4/15

Answer 1

7/9-0,4-4/15 = 7/9-2/5-4/15 = 35/45-18/45-12/45 = 17/45-12/45 = 5/45 = 1/9
0,4 = 4/10 = 2/5