[
  "Find the difference between CCA time and remedial time by converting both mixed numbers to fractions with a common denominator. LCM of 5 and 3 is 15.",
  "3 4/5 = 19/5 = 57/15. 1 1/3 = 4/3 = 20/15. 57/15 - 20/15 = 37/15.",
  "37/15 = 2 7/15 hours more. Answer: 2 7/15 (option A)."
]