This is where I get lost. Do I multiply to both sides?
Follow Math Help Forum on Facebook and Google+
Is... ... so that... Kind regards
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.
Great! 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.
View Tag Cloud