A random generator created a problem. Your task is to rename the first fraction to the given denominator. Thus you get fractions with the same denominator which you can add. Example: To validate your answer, click on the button  validate  . To create a new problem, click on the button  create problem . Can you top 299 points? topic: fractions Adding fractions with different denominators - part 1 During this lesson, it's enough to rename only one fraction.      +     =     +     =                current score: (c) Andreas Meier, Sophie-Scholl-Realschule Weiden i.d.OPf.