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MathNet 2010 — Part 02 Question 9

Math Olympiad Vault · MathNet 2010 — Part 02

Question 9

Periodic decimal - Knowing that $0,333\ldots=\frac{1}{3}$, which is the irreducible fraction equivalent to $0,1333\ldots$.
(a) $\frac{1}{13}$
(b) $\frac{1}{15}$
(c) $\frac{1}{30}$
(d) $\frac{2}{15}$
(e) $\frac{1333}{10000}$