When adding a negative number to a positive number, you are essentially subtracting the absolute value of the negative number from the positive number. The result will have the sign of the number with the greater absolute value. For example, -3 + 5 would be equivalent to 5 - 3, which equals 2., A negative plus a negative will always be negative. Adding negatives just makes them more negative, just like adding positives makes them more positive.If you're thinking of multiplication, then the answer is yes., A negative number. Not necessarily. A negative number plus a positive number can be negative, zero or positive. No. The sum of two negative numbers will always be a negative number. If, however, you multiply the numbers, their product will be positive., A negative plus a negative is a negative number. It is a larger negative number, that is, it is a smaller number - IOW, it is farther to the left on the number line.You probably meant to ask why is a negative number TIMES a negative number a positive number.Think of multiplying m times n as taking m steps, n times. For example, multiplying 3 times 4 means taking three steps - starting at zero , Well, honey, negative 2 plus positive 2 is just a fancy way of saying you're back at zero. It's like taking two steps back and then two steps forward - you end up right where you started. So, in math terms, -2 + 2 = 0. Easy peasy lemon squeezy!, Updated: 12/15/2022 Negatives and Positives Positive + Positive = Positive Negative + Negative = Positive Negative + Positive = Negative Positive + Negative = Negative Wiki User ∙ 13y ago.