<ul><li>The writer questions the selection criteria of a math competition question at Harvard-MIT.</li><li>Realization that solving the problem without a calculator and within a time constraint adds to its complexity.</li><li>Initial attempt involved finding a common denominator and manipulating fractions, leading to difficulties with large numbers.</li><li>An approach of simplifying the expression to a fraction involving two key numbers (x = 20 and y = 25) is suggested.</li></ul>

This Harvard-MIT Question Fails the Obvious Method

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