15,25-4 1/6 = 15,25 - 4 - 1/15,25 - 4 = 11,211,25 - 1/6 = 11,25 - 0,16 = 11,09
(5,15 - 2 2/3) = 5,15 - 2 - 2/5,15 - 2 = 3,13,15 - 2/3 = 3,15 - 0,66 = 2,49
Therefore11,09 - 2,49 = 8,60
15,25-4 1/6 = 15,25 - 4 - 1/
15,25 - 4 = 11,2
11,25 - 1/6 = 11,25 - 0,16 = 11,09
(5,15 - 2 2/3) = 5,15 - 2 - 2/
5,15 - 2 = 3,1
3,15 - 2/3 = 3,15 - 0,66 = 2,49
Therefore
11,09 - 2,49 = 8,60