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HKIMO 2026 Grade 7 National Preliminary Set 01 Question 8

HKIMO · HKIMO 2026 Grade 7 National Preliminary Set 01

Question 8

Convert $1.212121\ldots$ to a fraction in lowest terms.
  1. $\frac{40}{33}$
  2. $\frac{40}{11}$
  3. $\frac{20}{33}$
  4. $\frac{20}{11}$