Look Ahead Grace's original rug has a length of 2 yards and a width of yard. You can write the ratio of length to width as 2 : 3. To find the unit rate, you can start with the complex fraction ? Fractions in which the numerator, the denominator, or both are also fractions are called complex fractions. 2 a. You can simplify a complex fraction by dividing. Since a fraction bar represents division, you can think of as 2 . Then you can divide to simplify. What is the unit rate for the length to width of Grace's rug? 3 b. Rewrite the complex fraction as a division expression using - c. What is the quotient of? d. Suppose a bug travelsmile in 12 minutes. Write a complex fraction you could use to find the speed of the bug in miles per minute. What is the bug's speed in miles per minute?