Each Positive Rational Number Has the Form

Dmitry Krachun, Zhi Wei Sun

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


In this note, we show that each positive rational number can be written as (Formula presented.), where (Formula presented.) is Euler’s totient function and m and n are positive integers.

Original languageEnglish (US)
Pages (from-to)847-849
Number of pages3
JournalAmerican Mathematical Monthly
Issue number9
StatePublished - Oct 20 2020
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Mathematics


  • MSC: Primary 11A25
  • Secondary 11D85


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