Действия с рациональными выражениями

Review fraction addition and subtraction, then extend the same methods to rational expressions. This Intermediate Algebra (MAT121) Topic 18 lesson shows how to factor denominators, build least common denominators using each factor’s highest multiplicity, rewrite equivalent fractions, add and subtract rational expressions, and simplify complex fractions by multiplying by reciprocals. Keep track of restricted values from the original denominators and divisors. 0:00 Introduction and Review: Adding/Subtracting Fractions 5:28 Least Common Denominators 14:09 Adding/Subtracting Rational Expressions 37:48 Complex Fractions