FRACTIONS Review of Introductory MathematicsWhen fractions do not have a common denominator, this method must be modified. For example,consider the problem:1213?This presents a problem, the same problem one would have if he were asked to add 6 feet to 3yards. In this case the entities (units) aren’t equal, so the 6 feet are first converted to 2 yards andthen they are added to 3 yards to give a total of 5 yards.6 feet + 3 yards = 2 yards + 3 yards = 5 yardsGoing back to the fraction addition example, then and must both be expressed in the same1213segments to be added. Without developing the general method, is . Multiply by1236ths1233or (one) to give the equivalent fraction. Similarly, equals .1326MA-01 Page 28 Rev. 0
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