Final answer:
When simplifying a complex fraction, you can follow the rules of algebra. The left fraction in the complex fraction equals 1 because the quantity in the numerator and denominator cancels out.
Step-by-step explanation:
When simplifying a complex fraction, you can follow the rules of algebra. The left fraction in the complex fraction equals 1 because the quantity in the numerator and denominator cancels out. To simplify the complex fraction, you can multiply the numerators together and multiply the denominators together, simplifying by common factors as needed. As long as you perform the same operation on both sides of the equals sign, the expression remains an equality.