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11 over 12 minus 8 over 9

Guest Mar 8, 2017
 #1
avatar+7155 
+2

\(\frac{11}{12} - \frac{8}{9}\)

 

Get a common denominator:

\(\frac{11(3)}{12(3)} - \frac{8(4)}{9(4)} \\~\\ \frac{33}{36)} - \frac{32}{36}\)

 

Subtract:

\(\frac{33}{36)} - \frac{32}{36} = \frac{1}{36}\)

hectictar  Mar 8, 2017

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