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Q&A #12670

Teachers' Lounge Discussion: Dividing fractions

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From: DOG <dgrevious@slzusd.org>
To: Teacher2Teacher Public Discussion
Date: 2004021715:33:20
Subject: you can ALWAYS divide across!

	
When you get the two fractions to have common denominators, you can
ALWAYS divide across.  This process of finding common denominators is
not as mysterious as the "waving of the wand" that we all learned
(invert and multiply).  You end up with the same solution, but the
reason is more justifiable since you are still dividing, not using
inverse operations.

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