\"\"

\

The expression is \"\".

\

Mixed fraction can be written as improper fraction.

\

\"\"                      (\"\")\"\"

\

If \"\", where b,d \"\".

\

\"\"

\

\"\"                           (Multiply numerator: \"\")

\

\"\"                             (Multiply denominator: \"\")\"\"

\

The product is \"\".