Respuesta :
factor each and group them
lcm of 12 and 30
12=2*2*3
30=2*3*5
lcm=2*2*3*5=60
lcm of 16 and 24
16=2*2*2*2
24=2*2*2*3
lcm=2*2*2*2*3=48
9 and 15
9=3*3
15=3*5
lcm=3*3*5=45
lcm of 12 and 30
12=2*2*3
30=2*3*5
lcm=2*2*3*5=60
lcm of 16 and 24
16=2*2*2*2
24=2*2*2*3
lcm=2*2*2*2*3=48
9 and 15
9=3*3
15=3*5
lcm=3*3*5=45