Converting Decimal Expansion of Rational Number to Fraction/Examples/0.71828

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Example of Converting Decimal Expansion of Rational Number to Fraction

The number:

$0. 7\dot 1 82 \dot 8$

can be expressed as a fraction as:

\(\ds 0. 7 \dot 1 82 \dot 8\) \(=\) \(\ds \dfrac {71828 - 7} {10^1 \paren {10^4 - 1} }\)
\(\ds \) \(=\) \(\ds \dfrac {71821} {99990}\)