Not necessarily; a positive number plus a negative number will be a positive number if the positive number is greater. Example: 10 + (-6) = 4
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Positive
Most of the time, the sum of two negative numbers will always be negative EX: -2 + -8 = -10 But, if absolute value is added to the equation then the answer will always be positive EX: l -2 + -8 l = 10 In this case, the absolute value symbols are indicated by lower case "L's"
The sum of two positive integers is positive. The sum of two negative integers is negative. The sum of one positive integer and one negative integer has the same sign as the addend with the greater absolute value. If the absolute values of the two addends are equal, the sum is zero.
Well if we read the texts from Josh Welsh we can see that if you add a potato you get 63, therfore Josh knows the answer to everything but he is to lazy to answer it. So he guesses about 83 rubber ducks.
The term algebraic sum is used when the numbers you are adding include both positive an negative numbers. Ordinary sums are done with positive numbers only.