How is doing operations (adding, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions?

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How is doing operations (adding, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work with another type? When might you use this skill in real life?

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A rational number is a number that can be expressed as a fraction,ratio of two integers or decimal number. Rational numbers can be ordered in a number line.

A rational number can be written in infinitely many forms, such as 3/6 = 2/4 = 1/2= a/b, but it ...

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Operations with fractions and rational expressions are discussed. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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