The expression is .
Find the least common denominator (LCD).
\Multiples of 1:
Multiples of 2:
Multiples of 3:
Multiples of 4:
The least common multiple of 2, 3 and 4 is 12.
Rewrite each fraction with a common denominator of 24.
\ (LCM is 12)
(Multiply: )
(Subtract:
)
(Subtract:
)
The simplified expression value is .