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How do you convert 3.16 (6 repeating) to a fraction?

1 Answer

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Suppose
x=3.1\overline6. Then
10x=31.\overline6, and
100x=316.\overline6.

Now,


100x-10x=316.\overline6-31.\overline6=316-31


\implies90x=285


\implies x=(285)/(90)=\boxed{\frac{19}6}

User Alexandr Shurigin
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