SQl server Transaction replication -publisher shrink Transaction log

Hi 

I am having Transaction replication 2008 to 2014.  Now publisher side Trasaction log grown up to 100 GB and need to clear. I have noted that T log backup was failed for couple of days.  I need to clear the space.  Please confirm good to have following step

Which not break transaction replication 

1. Run transaction log backup

2 DBCC SHRINKFILE (N'DV_Log' , 0, TRUNCATEONLY)

3. shrink further if not release space physically to drive .

DBCC SHRINKFILE (N'DV_Log' , 10240)

Wish you  Merry Christmas and  have a safe holiday!!!!

Thanks