Practice!

Sample Problem

Multiply mixed numbers with cancellation shortcut.

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Solution

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Cancel the 4 and the 8 by dividing 4 into both of them:

 =  = . Cross out the 4 and the 8.

Cancel the 9 and the 3 by dividing 3 into both of them:

 =  = . Cross out the 9 and the 3.

Multiply across the new top numbers and the new bottom numbers:

 =  =