How to reduce or shrink the size of LVM partition?

Below are the logical steps to reduce size of LVM partition :
-Unmount the filesystem using unmount command,
– Use resize2fs command , e.g resiz2fs /dev/mapper/myvg-mylv 10G
-Now use the lvreduce command as lvreduce -L 10G /dev/mapper/myvg-mylv
The above Command will shrink the size LVM partition and fixes the filesystem size to 10GB.