(related to Problem: Odd And Even Digits)

As we have to exclude complex and improper fractions and recurring decimals, the simplest solution is this: $79 + 5\frac{1}{3}$ and $84 + \frac 26$, both equal $84\frac 13.$ Without any use of fractions, it is obviously impossible.

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Project Gutenberg

  1. Dudeney, H. E.: "Amusements in Mathematics", The Authors' Club, 1917

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