Author: 
kaytea1112

ID: 
26146

Filename: 
Fractions

Updated: 
20100709 15:42:52

Tags: 
gre math fractions

Folders: 

Description: 
notes from fractions.

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CrossMultiplying
• The easiest way to compare any two fractions is to crossmultiply their numerators and denominators. Multiply from the bottom up, and write each product over the corresponding numerator, as shown below:
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