as_numer_denom doesn't do any canceling. It is designed to be the
fastest way to convert a rational function into a product of
polynomials. If you want it canceled, you can call cancel on the
result.
Aaron Meurer
On Wed, Jun 19, 2013 at 9:06 AM, Manoj Kumar
<manojkumarsivaraj...@gmail.com> wrote:
> I have a query regarding as_numer_denom.
> Example:
>
>>>> a, b = symbols("a b")
>>>> eq = a*y/x**2 + 2*b*y - b/x
>>>> eq.as_numer_denom
> (a*x*y + 2*b*x**3*y - b*x**2, x**3)
>
> Shouldn't there be one x less in the numerator and denominator?
>
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