Rule:
Positive + Positive = Positive
12+12=24
Positive - Positive = Positive or Negative
12-6=6 | 12-13=(-1)
Positive + Negative = Greater numbers sign in the answer
14+(-18)=(-4) | 18+(-14)=4
Positive - Negative = Positive
8-(-8)=16
Negative + Negative = Negative
-12+(-12)=(-24)
Negative - Negative = Positive or Negative
(-8)-(-9)=1 | (-8)-(-7)=(-1)
by,
Patrick Macarilay
AKA,
macason
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adding a negative
Subtracting a negative is the same as adding the equivalent positive. For example, subtracting minus 10 is the same as adding 10.
no answer
Ensure that the denominators are the same when adding or subtracting fractions.
I would think that the commonality of adding and subtracting integers is that the answer itself will always be an integer. In other words, the answer is always gonna be a "whole number".