(62цел2/3-4цел1/8)+(14цел-11цел5/-1цел19//9+2цел1/3)=

20 цел -16/72 при сокращении 20 цел -2/9

(62 2/3 - 4 1/8) + (14 - 11 5/9) - (39 - 1 19/24) - (1 4/9 + 2 1/3) = (188/3 - 33/8) + (14/1 - 104/9) - (39/1 - 43/24) - (13/9 + 7/3) = (1504-99)/24 + (126+104)/9 - (936-43)/24 - (13+21)/9 = 1405/24 + 230/9 - 893/24 - 34/9 = (4215+1840-2679-272)/72 = 3104/72 = 43 8/72 = 43 1/9