Simplifying Complex Fraction in which Numerator is a Fraction

Example
Simplifying complex fractions when its numerator is a fraction.
Another way to simplify a complex fraction
Simplifying complex fractions when its numerator is a fraction.
Note:
The example is a fraction divide by a whole number.
A whole number can be itself divide by 1.
A complex fraction can be written as a new fraction whose numerator is the products of the inner items and denominator is the products of the outer items.
The new fraction may have common factors.