adding/subtracting fractions involving quadratic expressions

It has been a long while since I have posted a math tutorial. Since most of my students are now slowly getting ready to do exams at the end of the year, I have noticed that they higher Grade students tend to get their rules wrong when we need to add or subtract fractions involving quadratic expressions. In this tutorial we look at what to identify and how to go about so that you do not get the least common denominator wrong.

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