Tom, Sam and Matt are counting drum beats.

Tom hits a drum every 2 beats.
Sam hits a drum every 5 beats.
Matt hits a drum every 8 beats.

Tom, Sam and Matt start hitting their drums at the same time.
How many beats is it before Tom, Sam and Matt hit their drums at the same time?

— Need help ASAP, with the explanation to the answer if possible. —

— Thank you in advance ✨