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   link to an analysis about fractions

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Topic: link to an analysis about fractions (Read 5302 times)

Christine
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link to an analysis about fractions
« on: Dec 13^th, 2012, 3:40pm »

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Hi,
I'm searching for a link to a paper about fractions where the numbers of the fractions(numerator and denominator) are found in the decimal representation

e.g. 5/2 = 2.5

I saw that paper months ago, but I lost the link and couldn't find again - maybe it was in OEIS files.

That paper described many such examples.

With 1-digit number, the only case is 5/2 = 2.5
Many examples with larger numbers.

Any ideas?

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Christine
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Re: link to an analysis about fractions
« Reply #1 on: Mar 27^th, 2013, 10:05am »

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I found a link that mentions it:

How many rational numbers a/b are there (with a and b relatively prime) such that a/b = b.a

http://mathforum.org/wagon/fall05/p1036.html

the link to [View the solution] is not found

Can anyone provide other links?

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towr
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Re: link to an analysis about fractions
« Reply #2 on: Mar 27^th, 2013, 11:51am »

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http://mathforum.org/wagon/fall05solutions/s1036.html

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