I encountered the following question. You can brute-force the calculation, but I'm curious to know if there is an easy rule or intuition that I'm missing....

Which is bigger,

100000001/100000002
or

200000001/200000002

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TopNewestHint:If \(a > b> 0 \), then \( \dfrac1a < \dfrac 1b\), and also \( 1 - \dfrac1a > 1 - \dfrac 1b\).Log in to reply

They are both slightly less than 1. Which is closer to 1?

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That's the question!

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If we want to see which is closer to 1, we should compare \[1 - \frac{100000001}{100000002} \quad \text{and} \quad 1 - \frac{200000001}{200000002}.\] What does that give you?

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