**Adding And Subtracting Rational Expressions Worksheet**. 28 split into a sum of two rational expressions with unlike denominators. Adding and subtracting rational expressions is identical to adding and subtracting with integers.

The complete list of steps is below. To add or subtract two rational expressions with the same denominator we simply add or subtract the numerators and write the result over the common denominator. Adding subtracting add or subtract these rational expressions.