[
  "Add the whole numbers and fractions separately. Both fractions have the same denominator (3), so just add the numerators.",
  "Whole numbers: 3 + 2 = 5. Fractions: 1/3 + 1/3 = 2/3. 2/3 is already in simplest form (HCF of 2 and 3 is 1). So the sum is 5 2/3.",
  "Answer: 5 2/3 (option A)."
]