Confused On Syntax - Combine Two Queries

I have two queries that I'm trying to combine, but can't figure out how to combine them ... successfully!?! The first query is pretty simple in that I'm looking at several fields from two different tables, no big deal.

The second query calculates the years, months, days between two dates that are used in the first query. I'm stumped on how to combine the queries so that they place nice with each other and return results.

Here's the first query ...
select
RTRIM(RTRIM(vpi.LastName) + ', ' + RTRIM(ISNULL(vpi.FirstName,''))) Employee,
convert(varchar,vpi.FromEffectiveDate,101) PositionStart,
convert(varchar,vpi.ToEffectiveDate,101) PositionChange,
convert(varchar,vpi.PositionStartDate,101) PositionStartDate,
vpi.PositionReason, vpi.PositionCode, vpc.PositionCodeDescription
from vhrl_positioninfo vpi
inner join position_codes vpc on vpi.PositionCode = vpc.PositionCode

Here's the second query ...
select
[Age] = convert(varchar, [Years]) + ' Years ' +
convert(varchar, [Months]) + ' Months ' +
convert(varchar, [Days]) + ' Days', *
from
(
select
[Years] = case when BirthDayThisYear <= Today
then datediff(year, BirthYearStart, CurrYearStart)
else datediff(year, BirthYearStart, CurrYearStart) - 1
end,
[Months]= case when BirthDayThisYear <= Today
then datediff(month, BirthDayThisYear, Today)
else datediff(month, BirthDayThisYear, Today) + 12
end,
[Days]= case when BirthDayThisMonth <= Today
then datediff(day, BirthDayThisMonth, Today)
else datediff(day, dateadd(month, -1, BirthDayThisMonth), Today)
end,
Birth = convert(varchar(10) ,Birth, 121),
Today = convert(varchar(10), Today, 121)
from
(
select BirthDayThisYear =
case when day(dateadd(year, datediff(year, BirthYearStart, CurrYearStart), Birth)) <> day(Birth)
then dateadd(day, 1, dateadd(year, datediff(year, BirthYearStart, CurrYearStart), Birth))
else dateadd(year, datediff(year, BirthYearStart, CurrYearStart), Birth)
end,
BirthDayThisMonth =
case when day(dateadd(month, datediff(month, BirthMonthStart, CurrMonthStart), Birth)) <> day(Birth)
then dateadd(day, 1, dateadd(month, datediff(month, BirthMonthStart, CurrMonthStart), Birth))
else dateadd(month, datediff(month, BirthMonthStart, CurrMonthStart), Birth)
end,
*
from
(
select BirthYearStart = dateadd(year, datediff(year, 0, Birth), 0),
CurrYearStart = dateadd(year, datediff(year, 0, Today), 0),
BirthMonthStart = dateadd(month, datediff(month, 0, Birth), 0),
CurrMonthStart = dateadd(month, datediff(month, 0, Today), 0),
*
from
(
select birth = convert(datetime, fromeffectivedate) ,
Today = case when convert(datetime, toeffectivedate) = '3000-01-01'
THEN convert(datetime, convert(int,getdate()))
else vpi.toeffectivedate
end

from vHRL_PositionInfo vpi inner join position_codes vpc
on vpi.PositionCode = vpc.PositionCode

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Here's the sample data ...
vpi table ...
LastName FirstName FromEffectDate ToEffectDate PosStartDate PosReason PosCode
Doe John 2001-10-15 3000-01-01 10-15-2001 Transfer OperPack
Smith Tom 1994-11-28 2001-10-14 1994-11-28 New Hire OperDC

vpc table ...
PosCode PosDescription
OperPack Pack Line Operator
OperDC Descaler Operator

This is what the results should look like ...
John, Doe 2001-10-15 3000-01-01 10-15-2001 Transfer OperPack Pack Line Operator 6 Years 11 Months 16 Days
John, Doe 1994-11-28 2001-10-14 1994-11-28 New Hire OperDC Descaler Operator 6 Years 6 Months 19 Days

I know the date calculation piece adds 5 additional fields to the end, but they are not needed for the final report. Any help would be greatly appreciated! Thank you! Jena