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March 29th, 2008, 08:40 AM   #1
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Long division when the dividend is negative

How do you solve a division problem sans calculator (if the answer isn't obvious) if the dividend is a negative number?

For example, -29 : 4
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March 29th, 2008, 09:09 AM   #2
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Can you be more specific? I don't know what you're trying to say here. If I make an assumption, then if -29/4, then just the basic arithmetic is required, and you shouldn't need a calculator for this one.
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March 29th, 2008, 10:49 AM   #3
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Actually, nevermind...I figured out what I was doing wrong. I'll explain.

There are two problems for which I needed to find the remainder and quotient.

One was dividing 29 by -4. For that, q=-7 and r=1

The other was -29 by 4. For that I now realize the answer is q=-8 and r=3...because the remainder cannot be a negative number.

That was all, but I do know that in both cases the answer is still -7.25.

Sorry, it was a stupid question.
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