1) (11/28) * (7/33) = 77/924 = 1/12
2) 7 11/12 3 1/6 = (95/12) (19/6) = 1585/72 = 22 1/9
3) (12/13) : 6 = 2/13
1) (11/28) * (7/33) = 77/924 = 1/12
2) 7 11/12 3 1/6 = (95/12) (19/6) = 1585/72 = 22 1/9
3) (12/13) : 6 = 2/13