Transcription of FRACTION REVIEW - Canada
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Business Math Study Guide 2 Page 1 FRACTION REVIEW A. INTRODUCTION 1. What is a FRACTION ? A FRACTION consists of a numerator (part) on top of a denominator (total) separated by a horizontal line. For example, the FRACTION of the circle which is shaded is: 2 (parts shaded) 4 (total parts) In the square on the right, the FRACTION shaded is 83 and the FRACTION unshaded is 85 FRACTION = numerator denominator 2. Equivalent fractions Multiplying The three circles on the right each have equal parts shaded, yet are represented by different but equal fractions . These fractions , because they are equal, are called equivalent fractions .
All types of fractions must always be simplified (reduced to lowest terms). e.g. 9 6 = 3 2, 2 25 5 = 2 , 18 27 = 2 3 = 1 2 1 Note that many fractions can not be reduced since they have no common factors. e.g. 21 17, 9 4, 37 18 1 4 3 = 4 7
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