IrMO 2011 Problem 6

Prove that $\frac{2}{3}+\frac{4}{5}+\dots +\frac{2010}{2011}$ is not an integer.

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.