Write the difference between them, and give it the sign of
the one with the larger size.
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To add two integers with unlike signs: -- Find the difference between their sizes, ignoring their signs. -- Give the difference the sign of the integer with the larger size.
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.
Two integerss add to zero when their absolute values are equal and they have opposite signs.
Adding two numbers with different signs means subtracting the two absolute integers (without sign) and vice versa.
- Always, if the two integers are both positive. - Sometimes, if the two integers have different signs. - Never, if the two integers are both negative.