уравнение (8-2 11/12:7/16):2 2/27
Помогите

1) 2 11/12 : 7/16 = 35/12 · 16/7 = (5·4)/(3·1) = 20/3 = 6 2/3

2) 8 - 6 2/3 = 7 3/3 - 6 2/3 = 1 1/3

3) 1 1/3 : 2 2/27 = 4/3 : 56/27 = 4/3 · 27/56 = (1·9)/(1·14) = 9/14