The expression is
.
Mixed fractions can be written as improper fraction. \ \
\
(
)
(5 can be written as
)
Divide by a fraction, multiply by its multiplicative inverse.
\So,
, where
.

If
, where b,d
.

(Multiply numerator:
)
(Multiply denominator:
)
(Divide:
)
The simplest form is
.