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MathNet 2015-part-07 — 185 problems (EN–VI) Question 143

Math Olympiad Vault · MathNet 2015-part-07 — 185 problems (EN–VI)

Question 143

Let $\lfloor x\rfloor$ denote the largest integer less than or equal to $x$, and let $\{x\}$ denote the fractional part of $x$. For example, $\lfloor\pi\rfloor=3$, and $\{\pi\}=0.14159 \ldots$, while $\lfloor 100\rfloor=100$ and $\{100\}=0$. If $n$ is the largest solution to the equation $\frac{\lfloor n\rfloor}{n}=\frac{2015}{2016}$, compute $\{n\}$.