1 3/25-4/25=24/25 1-2/5=3/5 10-9 1/16=15/16 24/25:3/5=24/25*5/3=8/5 8/5*15/16=3/2=1 1/2
1 целая 3/25 минус 4/25 = (28/25) - (4/25) = 24/25 1 целая минус 2/5 = (5/5) - (2/5) = 3/5 (24/25) : (3/5) = 24*5/(25*3) = 8/5 10 целых минус 9 целых 1/16 = 1 целая - 1/16 = (16/16) - (1/16) = 15/16 (8/5)*(15/16) = 3/2 = 1.5