Question

Question #0b3ba

Answer 1

`LCM=color(purple)180`

Explanation:

Factor of
`4=color(red)(2*2)`
`18=2*color(red)(3*3)`
`30=2*3*color(red)(5)`

All the factors in red color form the LCM.

`LCM=2*2*3*3*5=color(purple)180`