31 -54/9 = 25
31/20 minus 5/9 is 179/180
9 - 31/2 = 51/2
31 - 9 - 2 = 2031 - 9 - 2 = 20They are both the same. Even if you changed the order of the 9 and 2, like the following, it would result in the same:31 - 2 - 9 = 20
31/9 - 7/6 = 62/18 - 21/18 = 41/18
4/5 − 1/9 = 31/45
267
31-(-6) We know minus and minus becomes plus 31+6 37
-31
-3
0
31