MathDB
{m/a} + {n/m} \ne 1

Source: 2018 Romania District VIII p1

September 1, 2024
number theoryfractional part

Problem Statement

Prove that {mn}+{nm}1\left\{ \frac{m}{n}\right\}+\left\{ \frac{n}{m}\right\} \ne 1 , for any positive integers m,nm, n.