1)=-16 2/3-8 3/4-2 5/12=-16 8/12-8 9/12-2 5/12=-26 22/12=-27 5/6
2)=-3 7/15-2/5-6 1/3=-3 7/15-6/15-6 5/15=-9 18/15=-10 1/5
3)=-9 1/4-25 7/12-6 1/2=-9 3/12-25 7/12-6 6/12=-40 16/12=-41 1/3
4)=-21 1/2-3 4/5-8 3/20=-32 29/20=-33 9/20
5)=-2 5/8-9 3/4-3/4=-2 5/8-9=-11 5/8
6)=-4 9/25-62/100-3 1/5=-4 36/100-62/100-3 20/100=-7 118/100=-8 9/50