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
5 1/9 minus 2 5/6 can be solved by changing the 9 and 6 to a common denominator of 18. 5 2/18 minus 2 15/18 is your new problem. Now you need to borrow from the 5 to make 2/18 large enough to subtract 15/18. 4 20/18 minus 2 15/18 is your new problem. Now you subtract the whole numbers and then then numerators of the fractions. 2 5/18 is your answer.