[
  "Equal sharing means division. Divide the total number of cakes by the number of pupils.",
  "5 cakes / 7 pupils = 5/7 of a cake per pupil. 5/7 is already in simplest form (HCF of 5 and 7 is 1).",
  "Each pupil gets 5/7 of a cake. Answer: 5/7 (option B)."
]