Adding a positive and negative number, the sum will always be negative. Example: 10+-20=-10 If you add two negatives, they cancel each other out making it positive.
If you are adding a positive number, then this is the same as normal addition. For instance, 4 add positive 5 is 9. negative 1 add positive 8 is 7. If you are adding a negative number, then this is...
Adding Integers To add integers, one must consider the following two rules to be a successful. If you want to think of it on the number line you start from 0 and when you add a positive number you...
The magnitude of the sum is the difference between the magnitudes of the two numbers. The sign of the sum is the sign of the number with the larger magnitude. (The "magnitude" of a number is just the...