решить пример 70:(5/8 +5/6)+(3 1/9-1/3)

1) 5/8 + 5/6 = 15/24 + 20/24 = 35/24 = 1 11/24
2) 3 1/9 - 1/3 = 3 1/9 - 3/9 = 2 7/9
3) 70 : 1 11/24 = 70 : 35/24 = 70 * 24/35 = 48 
4) 48 + 2 7/9 = 50 7/9