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What do I need to know to add and subtract rational expressions

Learn how to add/subtract rational expressions. A rational expression is an expression in the form of a fraction where the ...
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Algebra 2 - How to add two rational monomials by finding the LCM (3y/2x^3) + (5z/8xy^2)

👉 Learn how to add and subtract rational expressions by applying the rules of exponents. When adding and subtracting rational expressions, we need to have common denominators. To obtain common ...