RATL 2 | Lesson 2 | Solution (Adding and Subtracting Rational Expressions)

The error that was made on the previous page was that the numerators were multiplied by the binomial denominator of each fraction instead of the binomial denominator of the other fraction. The student did not understand that the numerator needed to be multiplied by the missing factor of the LCM for the two fractions.

Lesson 3: Multiplying and Dividing Rational Numbers