SOLUTION: Simplify the complex fraction 12x/y over 9x/y^3

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Question 832429: Simplify the complex fraction
12x/y
over 9x/y^3
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
The rule when dividing a fraction by a fraction, is to take the numerator (top fraction) and multiply it by the denominators (bottom fraction) recirpocal.
%2812x%2Fy%29%2F%289x%2Fy%5E3%29
%2812x%2Fy%29%2A%28y%5E3%2F9x%29
%2812xy%5E3%29%2F%289xy%29
reduce
%283y%5E2%29%2F2
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