9 1/4*8 -1 2/3*5 1/2 - 4/5 * 2 11/12 =
9,25*8-1 2/3*5 1/2-4/5*2 11/12=74-5/3*11/2-4/5*35/12=74-55/6-7/3= 73 6/6-9 1/6-2 2/6=62 3/6=62 1/2=62,5