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Check it outAdding and Subtracting Rational Expressions  Problem 4 417 views
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If two fractions are to be combined, they must first have the same denominator. These examples already have common denominators, so we will be focusing on how to properly combine the numerators, factor, and reduce if possible. Many errors are made with subtracting, so be very careful with distributing a negative sign. Domain restrictions are any x values that would make the denominator equal to zero.
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Sample Problems (9)
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Adding and Subtracting Rational Expressions
Problem 1 5,298 viewsSimplify:
4 + 2 7 + 14x 5 + 10x 
Adding and Subtracting Rational Expressions
Problem 2 4,211 viewsSimplify:
2 − x − 3 x − 2 x² + 2x + 4 x³ − 8 
Adding and Subtracting Rational Expressions
Problem 3 3,818 viewsSimplify:
4b − 3b b² + 6b + 5 b² + 5b + 4 
Adding and Subtracting Rational Expressions
Problem 4 416 views 
Adding and Subtracting Rational Expressions
Problem 5 367 views 
Adding and Subtracting Rational Expressions
Problem 6 349 views 
Adding and Subtracting Rational Expressions
Problem 7 373 views 
Adding and Subtracting Rational Expressions
Problem 8 348 views 
Adding and Subtracting Rational Expressions
Problem 9 378 views
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 Solving a Rational Equation for a parameter 10,026 views
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