18 - 5 = 13
Minus a negative means you add: 10.3 - -5 = 10.3 + 5 = 15.3
-18
-5
(-4)-(-5)+(-8) =-4+5-8 = -7
-6 x -3 = 18 + (-6) = 12
3 minus 3/18 is 2 5/6
17/18 minus 2/3 is 5/18
-5 - 13 = -18
1,718 minus 2/3 is 1,717 1/3.17/18 minus 2/3 is 5/18.
14
9 + 2 + 30 - 5 + 18 - 19 = -1