Question

Josh visits his parents every eight days. Hey visits his brother every twelve days. If he visited his parents and brother today, how many days until Josh visits both his parents and his brother again on the same day?
You don't have to tell me the answer just tell me the strategy I need to use. But if you want you can.

Answer 1

I would just use the most common multiples
If you need for me to tell you what that is, just tell me