Adding Fractions-Unlike Denominators
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In this example neither denominator can be used as the lowest common denominator like in our previous example. This is really no big deal though. To find our lowest common denominator simply start going through multiples of the larger of the two until the smaller number will divide into it.
In this problem, once we multiply the 15 by 2, the 10 will go into the result (30) evenly and therefor makes 30 our lowest common denominator.
In this problem, once we multiply the 15 by 2, the 10 will go into the result (30) evenly and therefor makes 30 our lowest common denominator.
