Integer Operations
-8 - -7
-1
18 + -19
-1
-7 - 3
-10
50 * -2
-100
-4 - 8
-12
-5 + -10
-15
-5 - 10
-15
75 * -2
-150
12 / -6
-2
16 - 18
-2
-100 / 5
-20
-6 + -14
-20
4 * -5
-20
-12 / 4
-3
75 / -25
-3
-10 + -20
-30
-14 + -22 =
-36
-14 - 22
-36
26 + -30
-4
20 * -2
-40
82 / -2
-41
-15 x 3
-45
-3 + -2
-5
18 / -3
-6
14 + -22
-8
14 - 22
-8
13 + -13
0
15 + -15
0
-8 - -9
1
-17 x -6
102
-3 * -4
12
15 + -3
12
18 + -6
12
-45 / -3
15
15 - -2
17
16 - - 3
19
4 + -2
2
-24 / -8
3
-31 * -1
31
14 - (-22)
36
2 - -2
4
-6 * -8
48
-15 / -3
5
-20 * -3
60
-30 * -2
60
-1 * -654
654
3 - -4
7
-14 + 22 =
8
-14 - (-22)
8
-2 * -4
8
If the signs are the same, add and keep that sign. If the signs are different, subtract and take the sign of the larger absolute value.
Addition Rule
Multiply or divide as usual. If the signs are the same, the answer is positive. If the signs are different, the answer is negative.
Multiplication and Division Rule
Add the additive inverse. Minus becomes plus negative. Minus negative becomes plus positive.
Subtraction Rule
