

The expression is
.
(Distributive property:
)
Multiples of 1: 
Multiples of 4: 
The least common multiple of 1 and 4 is 4, the LCD is 4.
\Rewrite each fraction using the least common denominator (LCD) is 4.
\
And 
Rewrite the difference using the LCD.
\
\ \
Multiples of 4: 
The least common multiple of 4 is 4, the LCD is 4
\
And 
Rewrite the addition of using the LCD
\
(Distributive property:
)
(LCM is 4)
(Add: 3 + 3 = 6)
(Divide:
)
The solution is
.