Pre-Algebra ACT Math Prep: Combining Ratios Posted on June 26, 2024September 29, 2024 by Nathaniel Ratios are shown in a variety of ways on the ACT. If two different ratios have an item in common, you can use the two ratios to create a new ratio. The example used in the video will be based off the following ACT math problem below: Click here to see the problem. This is the practice exercise we will work out in the video: This practice problem is considered a MEDIUM difficulty problem. Feel free to send any math problems to mathproblems@mathonthefly.com. Feedback and suggestions are always appreciated!