$\"\"$

The expression is $\"\"$ \ \

In the given expression there are no grouping symbols.

First operation is LCM.

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: $\"\"$ )

$\"\"$

The value of the expression is $\"\"$ .