Learn the basics for subtracting two rational expression by finding the LCM
Interactive Video
•
Mathematics, Business
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains how to add and subtract rational expressions by finding the least common denominator (LCD). It covers the process of identifying the LCD for both numbers and variables, and demonstrates how to apply the LCD to simplify expressions. The tutorial emphasizes the importance of creating equivalent fractions and maintaining the same denominator when performing operations on rational expressions.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
When multiplying to find the LCD, what must you do to maintain equivalent fractions?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Why can't you simplify the expression 3 - 2X^2Y^2 / 8X^3Y^3 further?
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OFF
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