Curated OER
How Do You Subtract Mixed Fractions with the Same Denominator?
There are many ways to subtract mixed fractions. The teacher demonstrates one method of how to break up the mixed number and subtract the whole numbers apart from the fractions. Once that is complete she puts the whole number and...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Curated OER
What's the Least Common Denominator?
Help your class take on the least common denominator by providing them with this informational video. The video gives a definition of the least common denominator and includes an example using two algebraic fractions. This is definitely...
Curated OER
Finding Unit Ratios
Duane Habecker demonstrates how he determines the unit ratio for each stick in a pack of gum. He does do a good job defining what a unit ratio is, but fails to follow through on explaining why the denominator needs to be equal to 1 and...
Curated OER
Adding Fractions
Sometimes watching a person do a math problem is really helpful. Duane works through the process needed to add mixed numbers together. He doesn't fully explain all the steps involved but if your learners need a reminder to help them do...
Curated OER
What's the Least Common Denominator?
Help your class take on the least common denominator by providing them with this informational video. The video gives a definition of the least common denominator and includes an example using 2 algebraic fractions. This is definitely a...
Curated OER
How Do You Subtract Mixed Fractions with the Same Denominator?
There are many ways to subtract mixed fractions. The teacher demonstrates one method of how to break up the mixed number and subtract the whole numbers apart from the fractions. Once that is complete she puts the whole number and...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Khan Academy
Khan Academy: Algebra: Adding and Subtracting Rational Expressions Example 2
Video shows example of adding and subtracting rational expressions. Includes discussion of using the least common multiple of the denominators for a common denominator. [2:56]
CK-12 Foundation
Ck 12: Elem Math: Adding Fractions With Common Denominators
[Free Registration/Login may be required to access all resource tools.] This video shows a basic addition problem of fractions with common denominators.
Sophia Learning
Sophia: Like and Unlike Fractions Tutorial
A video tutorial discussing the differences of like and unlike fractions. After watching the video, students can take a 3 question quiz to see if they understand the concept.
Math Playground
Math Playground: Adding Fractions With Different Denominators
This video illustrates how to add fractions that have different denominators.
Virtual Nerd
Virtual Nerd: How Do You Add Fractions With Different Denominators?
Watch this video tutorial to see how to add fractions with different denominators together. First, you're going to need a common denominator. [1:57]
Khan Academy
Khan Academy: Equivalent Fractions: Finding Common Denominators
This video shows how to rewrite two fractions as fractions with a least common multiple.
Sophia Learning
Sophia: Adding Unlike Fractions Tutorial
Determine the common denominator to add unlike fractions.
Khan Academy
Khan Academy: Algebra: Addition of Rational Numbers
Video shows examples of adding fractions with like and unlike denominators. Includes a word problem example involving adding fractions. [7:40]
Math Mammoth
Math Mammoth: Adding Unlike Fractions
In a gradual release of responsibility fashion, this video teaches students first how to add unlike fractions using a visual model where the common denominator is stated, then how to add them in the same way without a visual model, then...
Math Mammoth
Math Mammoth: Adding and Subtracting Mixed Numbers
Demonstrates with visual models how to add and subtract mixed numbers. This is followed by examples with just numbers where the mixed numbers must be converted to a common denominator. There is also a word problem example. [10:16]
PatrickJMT
Patrick Jmt: Simplifying Complex Fractions Ex 2
Video tutorial provides examples and tips for simplifying complex fractions by getting common denominators, flipping, multiplying, and canceling. [4:47]
Sophia Learning
Sophia: Finding the Lowest Common Denominator: Lesson 10
This lesson covers how to find the lowest common denominator of two or more fractions. It is 10 of 14 in the series titled "Finding the Lowest Common Denominator."
Sophia Learning
Sophia: Finding the Lowest Common Denominator: Lesson 13
This lesson covers how to find the lowest common denominator of two or more fractions. It is 13 of 14 in the series titled "Finding the Lowest Common Denominator."
Sophia Learning
Sophia: Finding the Lowest Common Denominator: Lesson 14
This lesson covers how to find the lowest common denominator of two or more fractions. It is 14 of 14 in the series titled "Finding the Lowest Common Denominator."
Sophia Learning
Sophia: Finding the Lowest Common Denominator: Lesson 2
This lesson covers how to find the lowest common denominator of two or more fractions. It is 2 of 14 in the series titled "Finding the Lowest Common Denominator."
Sophia Learning
Sophia: Finding the Lowest Common Denominator: Lesson 3
This lesson covers how to find the lowest common denominator of two or more fractions. It is 3 of 14 in the series titled "Finding the Lowest Common Denominator."