[
  "Convert both mixed numbers to improper fractions. Find the LCM of 6 and 10 (which is 30) as the common denominator, then subtract.",
  "3 5/6 = 23/6 = 115/30. 1 1/10 = 11/10 = 33/30. 115/30 - 33/30 = 82/30.",
  "82/30 simplifies to 41/15 = 2 11/15. Answer: 2 11/15 (option C)."
]