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home | Algebra Sample Video Lessons | Multiplying Fractions with Cross Can . . .

Multiplying Fractions with Cross Canceling

This clip is just a few minutes of a multi-hour course.  
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Lesson Summary:
In this lesson, you'll learn how to multiply fractions and simplify the result using the technique known as cross-canceling.  Using cross canceling, we look for ways to simplify the fractions that we are multiplying together before the multiplication takes place.

By doing this, we can arrive at simpler fractions and do less simplification of the final fraction which helps us solve the problem faster.  Cross canceling is very frequently used when multiplying fractions that contain numbers in addition to algebra problems that involve fractions with variables.  We review the technique here because we will use it frequently as we work Algebra problems that involve fraction simplification.