6.4 Equivalent Fractions

  • Fundamental Principle of Fractions • Equivalent Fractions • Simplest Form, or Lowest Terms, of a Fraction • Factors That Differ Only in Sign

When we deal with algebraic expressions, we must be able to work effectively with fractions. Because algebraic expressions are representations of numbers, the basic operations on fractions from arithmetic form the basis of our algebraic operations. In this section, we demonstrate a very important property of fractions, and in the following two sections, we establish the basic algebraic operations with fractions.

The following property of fractions, often referred to as the fundamental principle of fractions, is very important when working with fractions.

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