| Discussion: | All Topics |
| Topic: | Formulas |
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| Subject: | RE: Formulas |
| Author: | jazy |
| Date: | Apr 6 2005 |
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working with a problem that deals with the division of a fraction. Could you
please explain the principle on which this is based on.
Thank you,
Ingrid
On Mar 14 2005, Mathman wrote:
> On Mar 14 2005, Mathman wrote:
>I do not advocate transposition
>
> alone, but as an end result. The fundamental properties give the
>
> reason for being able to do it that much more efficient way. It
>
> does require training and efort, but it pays off big time in the
>
> long run.
To push the point, consider the process of division by
> a fraction. The underlying principle is equivalent fractions, but
> the 'process' is to "invert and multiply". That is purely
> mechanical, but based upon a firm principle which is not written out
> in full.
David.
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