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-- Take one complete set of the repeated digits in the decimal.

Treat those digits as the numerator of a fraction.

-- The denominator of the fraction is a string of nines (99...) ...

just as many as there are digits in the numerator.

-- Reduce the fraction to lower terms (simplify) if it's possible

and you feel like it.

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Q: What are rules in changing non terminating but repeating decimal into fraction?
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