In the following sequence:
1/1, 1/2, 1/3, 3/3, 1/4, 3/4, 1/5, 3/5, 5/5, 1/6, 3/6, 5/6, 1/7, 3/7, 5/7, 7/7, 1/8, ...,
What is the 2011th number?
(Originally published in our September 2011 Newsletter, prize money was RM100)
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