(25/8 - 29/12) * (-20/17) =
8/2
4/2
2/2
12/2
6/2
3/3
8*3=24
25*3/24 - 29*2/24 = (75-58)/24 = 17/24
17/24*(-20/17) = -20/24 = -5/6
(25/8 - 29/12) * (-20/17) =
8/2
4/2
2/2
12/2
6/2
3/3
8*3=24
25*3/24 - 29*2/24 = (75-58)/24 = 17/24
17/24*(-20/17) = -20/24 = -5/6