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Express $0.4\overline5$ as a common fraction.

 Aug 19, 2021
 #1
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Multiply 0.455555...(we set as x) by 10 to get 4.5555555...(10x)

 

then, use 4.555555 to subtract 0.455555 to get 4.1 because later repeat digits cancel

 

4.1 is equal to 9x, and x is 41/90

 Aug 19, 2021

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