It is: 10
5 and 2
The LCM refers to whole numbers, not decimals.
The LCM=60
The LCM of 2 numbers can be one of those numbers when the large of the 2 numbers is 2 times the smaller one of those numbers. For example the LCM of 2 and 4 is 4. For example the LCM of 5 and 10 is 10.
The LCM of 2, 5, 7 and 9 is 630.
8 and 5
5 and 2
It is 30
30
2 and 5 2 and 10 5 and 10
10 is the lcm
30