Let's use this as our example problem.
- Think what times the lowest donamanator is the highest donamanator? In this case 5 is. So what times 5 equals 13? If you are working with fractions that have the same doniminator, then skip this step and go to the last step.
Nothing does therefore, you have to multiply the donominators. If you are working with a donimator that can be multiplied into the highest one, the skip too the last step.