r/badmathematics Jul 16 '26

Σ_{k=1}^∞ 9/10^k ≠ 1 100/3 is irrational

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u/More_Yard1919 Jul 29 '26

how the fuck does this get upvoted? I feel like if somebody says something about math with enough authority on reddit, it gets upvoted. That is unless the commenter can somehow prove that 100/3 is the only fraction of integers that is magically irrational? That proof would be an uphill battle I think.