## Problem: Sum
of Unit Fractions (click here to see the problem statement)

__My Solution__.
We are looking for

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where , ,
and

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## Simplifying,

## We have,

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## If we let ,

## then

## So,

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## Which implies that :

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## Which can only be true when ,
so

## Using the relationship ,
I set up a table

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##

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## So the answer to the question,

## "Which of these fractions (, where n is a positive integer)
may be expressed as the sum of two different unit fractions of
integers?" __appears__ to be: ALL OF THEM.

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