-2 5/12+11/18-1/6=-1 35/36
1)-2 5/12+11/18=-2 15/36+22/36=-1 29/36
2)-1 29/36-1/6=-1 29/36-6/36=-1 35/36
-2 5/12+11/18-1/6=-1 35/36
1)-2 5/12+11/18=-2 15/36+22/36=-1 29/36
2)-1 29/36-1/6=-1 29/36-6/36=-1 35/36