9 11/18-5 3/4-1 15/36+2 7/9
9 22/36-5 27/36-1 15/36+2 28/36=5 8/36=5 1/4=5,25
1) 9 11/18 - 5 3/4=3 /3136 2)3 31/36-1 15/36=3 4/9 3)3 4/9+2 7/9=6 2/9