Rational Expressions with Like Denominators (Jump to: Lecture | Video )

Rational Expressions

A Rational Expression is an algebraic fraction which has polynomials in both the numerator and denominator.

Rational Expressions can be added and subtracted just like regular fractions.

Like Denominators

Fractions with the same values in their denominators have like denominators.

Below are two examples of rational expressions being added and subtracted:

Figure 1.

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