Add and Subtract Fractions and Mixed Numbers

Students learn how to add and subtract fractions with like and unlike denominators, find the LCD, add and subtract mixed numbers, and how to solve real-world problems. There are nine in-depth lessons in this unit, aligned to the Common Core. Try our sample lessons below:

fraction eighths number line

Lessons on Fractions
Adding Fractions with Like Denominators
Subtracting Fractions with Like Denominators
Adding and Subtracting Fractions with Unlike Denominators
Adding Mixed Numbers
Subtracting Mixed Numbers
Solving Word Problems
Practice Exercises
Challenge Exercises
Solutions
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IXL