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If both numbers are positive, simply add them as you learned in 4th grade.
If both numbers are negative,simply add them but add a minus to the answer.
If one is positive and the other negative, ignoring the signs,subtract the smaller from the larger and add the sign of the larger to your answer.
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Earn +20 ptsQ: How do you add and subtract negative and postitive numbers?
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Continue Learning about Other Math
When you add numbers the answer is the sum What is the answer called when you subtract numbers?
the difference
What 2 numbers add to 15 and subtract to 7?
???
When you add and subtract numbers What is the name of the answer?
I believe it is called the answer. Or sum When you add it is called the sum. When you subtract it is called the difference
When you add two numbers you get a sum When you subtract two numbers what do you get?
When you subtract one number from another you get the difference.You just said it; sum.
How would you add or subtract fractions with like denominators?
The same way you would add or subtract whole numbers, leaving the denominators alone.
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