

Title: Fracking Fractions Post by Noke Lieu on May 7^{th}, 2012, 9:00pm [(A+B)/C] + [(D+E)/F] + [(G+H)/I] = J Place the numbers 110 in AJ such that it's true. Is it possible? 

Title: Re: Fracking Fractions Post by towr on May 7^{th}, 2012, 11:00pm Are you using [] as parentheses, or do they have an extra meaning such as round/ceil/floor/fractional part ? 

Title: Re: Fracking Fractions Post by Noke Lieu on May 8^{th}, 2012, 3:54am Oh, just parentheses. I was trying to avoid confusion, but couldn't be bothered making a picture... 

Title: Re: Fracking Fractions Post by pex on May 8^{th}, 2012, 4:17am There's actually quite a long list of solutions... Were you looking for anything in particular? 

Title: Re: Fracking Fractions Post by JohanC on May 8^{th}, 2012, 1:53pm on 05/08/12 at 04:17:57, pex wrote:
Maybe:  let the 3 denominators be primes  or: let the sum of the denominators be as large as possible  or: make sure none of the 3 fractions evalutes to an integer  or: ... 

Title: Re: Fracking Fractions Post by Noke Lieu on May 8^{th}, 2012, 6:33pm No, no it was just a classroom activity that I came up with. Easy with computer grunt, less so without. 

Powered by YaBB 1 Gold  SP 1.4! Forum software copyright © 20002004 Yet another Bulletin Board 