In this followup lesson, you will learn Adding and Subtracting Rational Expressions. You start with the Least Common Multiple (LCM) before moving into Adding and Subtracting. There, you will cover the Least Common Denominator (LCD) and Equivalent Fractions. Lastly, you will finish with Simplifying Complex Fractions.
To add or
subtract: first, find the LCM of the denominators. Then adjust the
numerator and denominator of each fraction so that its denominator
is the LCM. Finally, add or subtract the numerators and simplify
Most of the time,
the result will not simplify.
Adding and Subtracting Rational Exprsesions
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.