Practice for lesson 16 of 18, 9 problems
Practice: Adding, subtracting, multiplying and dividing rational expressions
Practice problems with solutions on operations with rational expressions: adding and subtracting with a common denominator, multiplying, dividing and simplifying complex expressions.
Review the lessonWork each problem out on paper before you open the solution. If your answer is off, compare the steps and find where you went wrong. If a problem stops you cold, go back to the lesson: every set links to it.
Warm-up
Level up
Word problems
Quick check
Practice 8Quick check
What is \(\frac{1}{a} - \frac{1}{b}\)?
LCD \(ab\): \(\frac{b}{ab} - \frac{a}{ab}\).
Practice 9Quick check
What is \(\frac{3}{x} \div \frac{6}{x}\), for \(x \neq 0\)?
\(\frac{3}{x} \cdot \frac{x}{6} = \frac{3}{6} = \frac{1}{2}\).
All done?
If you got most of them right, you're ready to move on. If not, reread the lesson and try the ones you missed again in a few days.