[Jprogramming] Numerator and Denominator

[Kip Murray]

Thanks, Roger and Raul.  Not understanding  GCD +.  I had a Rube Goldberg
solution involving  Format ":  and  Do ".   --Kip

On Wednesday, March 9, 2016, Roger Hui <rogerhui.canada at gmail.com> wrote:

> den and num illustrate different ways of computing the same thing,
> hopefully in so doing improves understanding.  If you want speed 2&x: is
> going to be faster.
>
> Also, watch this:
>
>    2 x: o. 1
> 1285290289249 409120605684
>    x: o. 1
> 1285290289249r409120605684
>
>    2 x:!.0 o. 1
> 884279719003555 281474976710656
>    x:!.0 o. 1
> 884279719003555r281474976710656
>
>
>
>
> On Wed, Mar 9, 2016 at 7:20 AM, Mike Day <mike_liz.day at tiscali.co.uk
> <javascript:;>> wrote:
>
> > Roger, are these (among) recommended and preferred methods for
> > recovering num & den,  or do they just show an elegant way of
> > avoiding 2 x: ?
> >
> > Thanks,
> >
> > Mike
> >
> >
> > On 09/03/2016 04:32, Roger Hui wrote:
> >
> >>     x=: %/?2$10^8x
> >>     x
> >> 69904549r40669028
> >>
> >>     den=: [: % 1 +. ]
> >>     num=: * den
> >>
> >>     den x
> >> 40669028
> >>     num x
> >> 69904549
> >>
> >>
> >>
> >>
> >> On Tue, Mar 8, 2016 at 7:28 PM, Kip Murray <thekipmurray at gmail.com
> <javascript:;>>
> >> wrote:
> >>
> >> That's great!  It's still a nice puzzle to write your own.  --Kip
> >>>
> >>> On Tuesday, March 8, 2016, Raul Miller <rauldmiller at gmail.com
> <javascript:;>> wrote:
> >>>
> >>>     2 x: 6r4
> >>>> 3 2
> >>>>
> >>>> --
> >>>> Raul
> >>>>
> >>>>
> >>>> On Tue, Mar 8, 2016 at 10:04 PM, Kip Murray <thekipmurray at gmail.com
> <javascript:;>
> >>>> <javascript:;>> wrote:
> >>>>
> >>>>> How do you find the numerator and denominator in lowest terms of a
> >>>>>
> >>>> rational
> >>>>
> >>>>> fraction?  For example,
> >>>>>
> >>>>>      nd 6r4
> >>>>>   3 2
> >>>>>
> >>>>> --Kip Murray
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
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