[
  "To divide a fraction by a whole number, multiply the fraction by the reciprocal of the whole number.",
  "17/20 / 6 = 17/20 x 1/6 = 17/120. This fraction cannot be simplified further.",
  "Each child gets 17/120 litres. The computed value 17/120 does not match any given option; the question may have a typo (e.g., 9/10 L would give 3/20, option D)."
]