(3 1/4 + 0,25 - 1 5/24) : (2 3/4 - 4 1/2 - 0,75) : (- 4 7/12) = 1/5
1) 3 1/4 + 0,25 = 3 1/4 + 1/4 = 3 2/4 = 3 1/2
2) 3 1/2 - 1 5/24 = 3 12/24 - 1 5/24 = 2 7/24
3) 2 3/4 - 4 1/2 = 2,75 - 4,5 = - 1,75
4) - 1,75 - 0,75 = - 2,5 = - 2 1/2
5) 2 7/24 : (- 2 1/2) = 55/24 : (- 5/2) = - 55/24 * 2/5 = - 11/12
6) (- 11/12) : (- 4 7/12) = 11/12 : 55/12 = 11/12 * 12/55 = 11/55 = 1/5
(3 1/4 + 0,25 - 1 5/24) : (2 3/4 - 4 1/2 - 0,75) : (- 4 7/12) = 1/5
1) 3 1/4 + 0,25 = 3 1/4 + 1/4 = 3 2/4 = 3 1/2
2) 3 1/2 - 1 5/24 = 3 12/24 - 1 5/24 = 2 7/24
3) 2 3/4 - 4 1/2 = 2,75 - 4,5 = - 1,75
4) - 1,75 - 0,75 = - 2,5 = - 2 1/2
5) 2 7/24 : (- 2 1/2) = 55/24 : (- 5/2) = - 55/24 * 2/5 = - 11/12
6) (- 11/12) : (- 4 7/12) = 11/12 : 55/12 = 11/12 * 12/55 = 11/55 = 1/5