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## Main Question or Discussion Point

Hey I'm pretty new here, this is a cool site. Sorry if this has been asked before.

When I carry out a division to get the decimal representation of a rational number n/m, is there a way to figure out how far out it will go before the representation terminates in zeros or before it starts to repeat? Is there a name for this?

When I carry out a division to get the decimal representation of a rational number n/m, is there a way to figure out how far out it will go before the representation terminates in zeros or before it starts to repeat? Is there a name for this?