Jarrenuygo Jarrenuygo Math Answered Finding the LCM using listing method5. 15=20=LCM (15,20) =6.12=15=LCM (12,15) =7.20=8=LCM (20,8) =8.10=12=LCM (10,12) =9.8=12=LCM (8,12) =10.25=15=LCM (25,15) =