Transcription of Adding & Subtracting Rational Expressions
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Adding AND Subtracting Rational EXPRESSIONSADDING AND Subtracting Rational EXPRESSIONSADDING AND Subtracting Rational EXPRESSIONSADDING AND Subtracting Rational Expressions To To To To Add or Subtract Two FractionsAdd or Subtract Two FractionsAdd or Subtract Two FractionsAdd or Subtract Two fractions Example 1 Example 1 Example 1 Example 1 a) a) a) a) Add &'() *'( b) b) b) b) Subtract +,- ', Solution: a) a) a) a) &'() *'(/& 0 *'(/ '+'( b)b)b)b) +,- ',/+ 1 ',/ 2, The same principles apply when addingaddingaddingadding or Subtracting Rational expressionssubtracting Rational expressionssubtracting Rational expressionssubtracting Rational Expressions containing variables. To To To To Add or Subtract Rational Expressions with a Common DenominatorAdd or Subtract Rational Expressions with a Common DenominatorAdd or Subtract Rational Expressions with a Common DenominatorAdd or Subtract Rational Expressions with a Common Denominator 1.
When you add or subtract fractions, you begin by finding a common denominator. This is what you must do when you add or subtract rational expressions. We seek the least common denominator, LCD, because this produces the easiest calculations. You can add or subtract rational expressions only when you have a common denominator.
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