A series of free Pre-Algebra Lessons.
Adding Fractions
How to add fractions with like denominators?
How to add fractions with unlike denominators?
This video explains how to add fractions with like and unlike denominators. It explains why we must have a common denominator when adding fractions.
Subtracting Fractions
How to subtract fractions with like denominators?
How to subtract fractions with unlike denominators?
This video explains how to subtract fractions with like and unlike denominators. It explains why we must have a common denominator when subtracting fractions.
Adding Mixed Numbers
How to add Mixed Numbers?
Subtracting Mixed Numbers
How to subtract Mixed Numbers?
Multiplying and Dividing Mixed Numbers
How to multiply Mixed Numbers?
How to divide Mixed Numbers?
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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