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Add, subtract, multiply, or divide the following rational expressions. Simplify your answers, if possible.

  1. These fractions have the same denominator.

    After adding the fractions, factor to see if you can find any Giant Ones to remove.

  1. Factor each polynomial. Look for Giant Ones to remove.

  1. Take the reciprocal of the divisor and factor each polynomial. Remove Giant Ones and multiply what's left.

  1. Begin by factoring the denominator and then creating common denominators.

    Simplify the numerator.