Use the crsctl query crs softwareversion command to display latest version of the software that has been successfully started on the specified node.
crsctl query crs softwareversion
crsctl query crs softwareversion [node_name]
If you do not provide a node name, then Oracle Clusterware displays the version of Oracle Clusterware running on the local server.
The crsctl query crs softwareversion command returns output similar to the following:
Oracle Clusterware version on node [node1] is [11.2.0.2.0]
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