Question

Two of the lights at the local stadium are flickering. One of the lights flickers every 7 minutes and the other light flickers every 8 minutes. They both just flickered together at 8:34 a.m. at what time will both lights flicker together again

Answer 1

at 9:30 both flickers together

Answer 2

LCM of 7 and 8 is 56

so they will flickers together after 56 minutes.

so at 9:30 a.m.