Найдите значение выражения (1 1/12+1 1/4) ×1 19/56+2 5/8×1 3/7×1 1/9

(1 1/12+1 1/4)*1 19/56+2 5/8*1 3/7*1 1/9=7 7/24
1)13/12+15/12=28/12
2)28/12*75/56=25/8
3)2 5/8*1 3/7*1 1/9=
21*10*10/8*7*9=5*10/4*3=
50/12=25/6
3)25/8+25/6=75+100/24=
175/24=7 7/24