College Math CLEP Prep Practice Exam

When taking the reciprocal of a fraction equation, you are essentially flipping the fraction over. This means that the numerator becomes the denominator and the denominator becomes the numerator. Options A, B, and C all involve some form of multiplying or dividing the fraction by a value, which would change the overall equation and not result in the reciprocal. Therefore, the correct option is D, which switches the positions of the numerator and denominator to achieve the reciprocal of the fraction.