How to Write Rational Expressions in the Lowest Terms?

Answer A rational expression is easier to perform operations with when it is written in its lowest terms. A rational expression is a fraction that contains polynomials in its numerator and denominator. A ... Read More »

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How to Factor Rational Expressions?

Students usually learn to factor rational expressions during the early years of high school as part of an algebra course. The process can be challenging and requires a substantial amount of backgro... Read More »

How to Find the LCD of Two Rational Expressions?

The LCD, short for least or lowest common denominator, is the smallest integer that is a multiple of a denominator. The main purpose of finding the LCD is to make the addition and subtraction of ra... Read More »

How to Simplify Rational Expressions by Factoring?

Rational expressions are fractions with a polynomial in both the numerator and denominator. It is often advantageous to simplify these expressions by factoring both polynomials completely, then can... Read More »

The Advantages of Studying Rational Expressions?

Rational expressions are fractions that contain an algebraic expression in the denominator and the numerator. Examples might include 2/x-6 or (x^3 - 3x^2 + 5x - 9)/(2x - 5). The study of rational e... Read More »