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SASMO 2020 Grade 8 Question 10

SASMO · SASMO 2020 Grade 8

Question 10

How many fractions in $\dfrac1{2020},\dfrac2{2020},\dfrac3{2020},\ldots,\dfrac{199}{2020},\dfrac{200}{2020}$ are in simplest form?
  1. 121
  2. 59
  3. 79
  4. 144
  5. None of the above