Question

If one person claps every 3rd beat and another person claps every 4th beat, will they ever clap at the same time?

Answer 1

Answer:

12th beat.

Step-by-step explanation:

You are asking about LCM of 3 and 4.

3

4 = 2 x 2

LCM = 3 x 2 x 2 = 12.

so, they both will clap at the same time at 12th beat.