1) (-5/6):(-5/12) = (-5/6)*(-12/5)=(-1/1)*(-2/1)=2
2) -3 3/4 : 1 1/2 =-15/4: 3/2=-15/4* 2/3=-5/2*1/1=-5/2=-2 1/2
3) 1 7/9:(-2 2/3) =16/9 : (-8/3)=16/9* (-3/8)=2/3*(-1/1)=-2/3
4) (-8 2/5):7 =-42/5: 7=-42/5* 1/7=-6/5* 1/1=-6/5=- 1 1/5
5) (-7 1/2):(-5) =-15/2: (-5)=-15/2* (-1/5)=-3/2*(-1/1)=3/2=1 1/2
6) (4 2/3:(-1 1/6) =14/3 : (-7/6)=14/3* (6/7)=2/1*2/1=4/1=4