(3-2 целых 5/9): 1/12 / (1,35 - 4/15)*3/12 + (7/18 +5/12-2/3)*0,9 / 0,1 : (2 целых 1/15+1/3).

(27/9 - 23/9): 1/12 : (81/60 - 16/60)*3/12 + (14/36 + 15/36 - 24/36)*0,09: (31/15 + 5/15) = 4/9 : 1/12 / 13/48 + 1/80 : 36/15 = 13/9 + 1/192 = 835/576 + 3/576= 835/576 ~ 1,45