This is where I get lost. Do I multiply to both sides?
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... so that...
Originally Posted by Monkee
This is where I get lost. Do I multiply to both sides? You need a common denominator.
So multiply the first fraction by .
Then it becomes: .
You should be able to go from here.
But why do we use as a common denominator?
Originally Posted by Monkee Great!
But why do we use as a common denominator? Because in order for you to add the fractions together, you need to have the denominators the same; thus you multiply both fractions as necessary to obtain a common denominator.
Also, is not the common denominator. IS.
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