Решить пример 4/9 + 1 целая 2/3 + 2 целых 5/9 + 1/3

4/9+1 целая 2/3 + 2 целых 5/9 + 1/3 = (4/9+5/9) + (1 целая 2/3 + 1/3) = 9/9 + 1 целая 3/3 = 1 + 2 = 3

4/9+9/9+(2/3)*3+(2/1)*9+5/9+(1/3)*3=4/9+9/9+6/9+18/9+5/9+3/9=45/9=5