OR perhaps you mentally disabled children could use your brains for once in your life.
Months can be subtracted from 12months yes?
DID YOU ALSO KNOW, THAT WHEN YOU HAVE A 12 MONTH ACCOUNT AND A MONTH PASSES BY, YOU'RE A MONTH WELL OFF!!
So if TM=12 months and M is a month
TM-M=11months guize!!
Learn some math ja.
Failtards.