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March 4, 2015

March 4, 2015

Posted by **Noah** on Wednesday, January 23, 2008 at 10:00am.

- Algebra -
**drwls**, Wednesday, January 23, 2008 at 10:42amYou have both numerators and denominators to deal with. Very specific new rules apply. You need common denominators to add and subtract, and the operations are performed on the numerators only. In multiplication of two fractions, both numerators and denominators are multiplied separately. When dividing by a/b, multiply by b/a instead.

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