Reducing Fractions

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This page shows you a set of techniques that will allow you to reduce fractions to their lowest terms in high school fractions courses.

Note: My friend Carima M., a wonderful teacher from Ireland, points out: We know that we are finished reducing a fraction, when either the numerator or denominator has become a prime number, except when the numerator is 2, in which case the denominator must be an odd number.

She is correct, of course, and in the next version of this video I will be sure to explain it that way.

Instructions:

Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.

Watch the video as many times as you wish.

Use the Example sheet as a model to help you complete the Exercise sheet.

Use the Answers sheet to correct your work.

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Example Sheet

Exercise Sheet

Answer Sheet