Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free

Hi, what do you want to do?

Create a lesson plan
Create a lesson plan
Generate resources with 80+ AI teacher tools
Generate resources with 80+ AI teacher tools
Search 200,000 instructional videos
Search 200,000 instructional videos
Find a teaching resource
Find a teaching resource
How Do You Add Two Rational Expressions with Different Denominators? Instructional VideoHow Do You Add Two Rational Expressions with Different Denominators? Instructional Video
Publisher
Curated OER
Curator Rating
Educator Rating
Not yet Rated
Instructional Video

How Do You Add Two Rational Expressions with Different Denominators?

Curated and Reviewed by Lesson Planet

Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this resource would be useful to help all learners in your class.

5 Views 2 Downloads
Concepts

addition, algebraic fractions, rational expressions, common denominators, fractions, denominators, equivalent expressions, factors, factoring, foil method, least common denominator, least common multiple, simplifying

Additional Tags

simplify, addition, rational expression, denominator, common denominator, fraction, algebraic fraction, least common denominator, factor, equivalent expression, foil, algebra, math
Show More Show Less

Resource Details

Grade
8th - 11th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Media Length
3:32
Audience
For Teacher Use
Instructional Strategy
Flipped Classroom
Usage Permissions
Fine Print

See similar resources:

Instructional Video

How to Rationalize a Denominator, Exponent Expressions and Equations, Algebra I

Khan Academy
"Sal, why do we care? Why must we rationalize denominators?" Acknowledging these (possibly pleading) concerns, Sal explains the reasons behind rationalizing a denominator before demonstrating how to do it several times. Though he admits...
10 mins 7th - 11th Math
Instructional Video

Example 1: Factoring Trinomials with a Common Factor, Algebra II

Khan Academy
Use division and factoring to determine the leading one coefficient. This presentation thoroughly explains how to factor a trinomial to determine its common factors.
5 mins 9th - 11th Math
Instructional Video

Multiplying and Dividing Rational Expressions 1, Algebra II

Khan Academy
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
4 mins 8th - 11th Math
CCSS: Designed
Instructional Video

Multiplying and Dividing Rational Expressions 2, Algebra II

Khan Academy
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to demonstrate the process, and his explanations are clear and easy to follow.
5 mins 7th - 11th Math
Instructional Video

Multiplying and Dividing Rational Expressions 1, Algebra II

Khan Academy
Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.
4 mins 8th - 11th Math
Instructional Video

Algebra: Linear Equations 4

Khan Academy
This is a lesson in solving linear equations. More specifically, students will see how to solve an equation with a variable expression in the denominator of a fraction.
8 mins 7th - 11th Math
Instructional Video

Adding Rational Expressions Example 1

Khan Academy
At just under four minutes, this video is a great way to reinforce your lecture on adding rational expressions. Add it to a review session before a unit test, or assign it for homework in your algebra class.
8th - 11th Math
Instructional Video

How Do You Find the Least Common Denominator of Two Rational Expressions?

Curated OER
Adding fractions that are in rational expression form? Do they have a common denominator? No? Well, then the least common denominator needs to be found. How is the least common denominator of rational expression found? Watch this video...
2 mins 8th - 11th Math
Instructional Video

How Do You Put Fractions in Order Using an LCD?

Curated OER
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
9 mins 6th - 12th Math
Instructional Video

How Do You Put Fractions in Order Using an LCD?

Curated OER
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
9 mins 4th - 8th Math
Try It Free
© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use