Tom and David get their hair cut at the Broadway Barber Shop on Saturdays. Tom gets his hair cut every 4 weeks. David gets his hair cut every 6 weeks. One Saturday, Tom and David got their hair cut at the same time. When will Tom and David get their hair cut on the same day again?

Question

Tom and David will get their hair cut on the same day in
weeks.

Answer 1

4 * 3 = 12
6 * 2 = 12