How to calculate age in Years,Months and Days crystal report form date of birth

Here DOB is Date of Birth.

Returns Year = DateDiff('yyyy',{DOB},CurrentDate())

Returns Months = DateDiff('m',{DOB},CurrentDate()) - (DateDiff('yyyy',{DOB},CurrentDate()) *12)

Returns Days =
DateDiff('d',{DOB},CurrentDate()) - ( (DateDiff('m',{DOB},CurrentDate()) / 12) * 365.25  )