Hello all, I have recently been wondering whether there is a way to determine a fraction for which the decimal expansion is a cycle of n numbers?(adsbygoogle = window.adsbygoogle || []).push({});

I would like to be able to work this out myself, but I can't wait until I start my mathematics degree. So any help would be greatly appreciated.

For example, if I wanted a rational number with a repeated 500 digit sequence, is there a way to efficiently work out an example of such a number?

Penny for your thoughts guys.

Cheers.

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# Arbitrary cycle of digits in rational number?

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