This math topic is about basic fraction addition, with a focus on problems that involve two different denominators. Learners do not need to simplify answers. The skill is part of a larger unit on advanced fraction addition and subtraction. The problems include addition of fractions with denominators such as 5 and 11, 5 and 7, 7 and 3, and so forth. The topic offers various possible answers to each problem for learners to select the correct one.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.