Editorial for A Fraction Problem


Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.

Submitting an official solution before solving the problem yourself is a bannable offence.

Author: Ninjaclasher

One possible answer would be \(e = a+c\) and \(f = b+d\).

The proof is left as an exercise for the reader. Hint, solve this inequality by expanding everything:

\[ \frac{a}{b} < \frac{a+c}{b+d} < \frac{c}{d} \]


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