SOLUTION: why can't you leave a negative number in the denominator? I know you mult. the top and bottom by -1 to keep the neg. out, I just need to know why is that the rule. trying to expl

Question 184220: why can't you leave a negative number in the denominator? I know you mult. the top and bottom by -1 to keep the neg. out, I just need to know why is that the rule. trying to explain to a student/
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
It is just convention. There is 'no good reason' why the negative sign is usually associated with the numerator or even placed 'in front of' the fraction. It is just 'good practice'.
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