The first step for solving this problem is to multiply the fractions by multiplying the numerators and denominators separately.

Remember that if a term doesn't have an exponent,, it is considered that the exponent is 1. This will change the expression to the following:

Now multiply the bottom numbers together.

Multiply the terms with the same base by adding their exponents together. This looks like the following:

Finally,, add the numbers together to find your final answer.

This means that the correct answer to your question is

,, or option D.
Let me know if you have any further questions.
:)