Question 895830
Find the LCM of 48, 72, and 108.
{{{48=2*2*2*2*3=2^4*3}}}
{{{72=2*2*2*3^2=2^3*3^2}}}
{{{108=2*2*3*3*3=2^2*3^3}}}
So then,
{{{LCM=2^4*3^3=16*27=432}}}
So count 432 seconds from 8:20.
432 seconds equals 7 minutes 12 seconds.
8:20:00 + 0:07:12=8:27:12