Add their magnitudes, and keep the same sign for the sum.
Chat with our AI personalities
To add two integers with opposite signs . . . -- Ignore the signs, and write the difference between the two numbers. -- Give it the same sign as the larger original number has.
-- If the two integers have the same sign, their quotient is positive. -- If the two integers have different signs, their quotient is negative.
If the larger of the two integers is negative, then their sum is negative, regardless of the sign of the smaller one.
The answer depends on what you wish to DO with them.
Adding two numbers with different signs means subtracting the two absolute integers (without sign) and vice versa.