Question: what is least common denominator for 1/2?
Answer: 1 1/2. = 3/2. × 12/12. = 36/24.
3/8. = 3/8. × 3/3. = 9/24.
5/6. = 5/6. × 4/4. = 20/24.
= 3/1. × 24/24. = 72/24.