Найди значение выражения: а) 3 3/5-1 5/12 б) 3 1/24-1/8 в) 9 5/12-2 3/4

б)73/24-1/8=(73-3)/24=70/24

3 3/5 - 1 5/12 = 2 11/603 3/5 - 1 5/12 = 18/5 - 17/12 НОК(5,12) = 60 (18*12 - 17*5)/60 = (216 - 85)/60 = 131/60 = 2 11/603 1/24 - 1/8 = 2 11/123 1/24 - 1/8 = 73/24 - 1/8 НОК(24,8) = 24 (73*1 - 1*3)/24 = (73 - 3)/24 = 70/24 = 35/12 = 2 11/129 5/12 - 2 3/4 = 6 2/39 5/12 - 2 3/4 = 113/12 - 11/4 НОК(12,4) = 12 (113*1 - 11*3)/12 = (113 - 33)/12 = 80/12 = 20/3 = 6 2/3