MTH 120 - Dividing Fractions

# MTH 120 - Dividing Fractions - common factor in the...

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Divide, if possible. When dividing a number by a fraction, multiply the number and the reciprocal of the fraction; e.g. Remember : When dividing two fractions, it is always the fraction on the ri ght that you “flip”! When multiply two fractions, multiply “numerator x numerator” and “denominator x denominator”; e.g. Notice the ( 29) in the numerator and the (29) in the denominator; since: a. It is always best to simplify an expression whenever possible, and b. ( 29)/(29) = –1 …

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… and you would need to reduce this fraction by the
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Unformatted text preview: common factor in the numerator and denominator, i.e., 29, which is certainly not very obvious and would probably only be found by trial-and-error of all prime numbers from 2 to 29. Note: If the fraction above, i.e., Ex. 9, were not reduced, MyMathLab would mark it wrong and I would only give half-credit on an in-class test. The check … … and if the two decimal approximations are identical, then you can con clude your answer is correct....
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## This note was uploaded on 02/29/2012 for the course MATH 120 taught by Professor Adjunct during the Fall '11 term at Northern Virginia Community College.

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MTH 120 - Dividing Fractions - common factor in the...

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