Adding
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Rule for adding rationals:
If the numbers in the problem have the same sign, keep the sign and ADD! -12 + (-10) = -22 If the numbers in the problem have different signs, SUBTRACT and keep the sign of the larger absolute value. -12 + 10 = -2
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Rules for subtracting rationals
1. Change the sign to addition 2. Switch the sign on the second number to the opposite 3. ADD
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Rules for multiplying and dividing rationals
If the numbers in the problem have the same sign, the answer will be positive. If the numbers in the problem have different signs, the answer will be negative
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