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In how many different ways can 2/15 be represented as 1/a + 1/b, if a and b are positive integers with a ≥ b?

 Aug 10, 2020
 #1
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Not sure I understand.  Do you mean like  1/15 + 1/15

                                                            or   2/30 + 2/30

                                                            or   4/60 + 4/60 ?  You could go on forever. 

 Aug 10, 2020
 #2
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In how many different ways can \(\dfrac{2}{15}\) be represented as \(\dfrac1a + \dfrac1b\), if a and b are positive integers with \(a \ge b\)?

 

My answer see here: https://web2.0calc.com/questions/in-how-many-different-ways-can-2-15-be-represented#r2

 

laugh

 Aug 11, 2020

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