Convert No. of days to year and month.

Hi Experts,

I have a scenario where i need to calculate No. of years and No. of months between 2 dates.

I have calculated no of days between 2 dates using this conversion.

interval_to_char(sysdate()-PURCHASE_DT,'D')

For eg. Suppose no of days is 765 then in YEAR column 2 should be mapped and in MONTH column 1 should be mapped.

No. of Days  Year   Month

765              2        1

For Year i have used this:

floor(cast(interval_to_char(sysdate()-PURCHASE_DT,'D'),'INT')/365)

Please help me with Month Column.

Thanks

Neha Khetan