4th Grade Math 6.4, Common Denominators

We can write a pair of fractions as fractions with common denominators by finding multiples of the denominators and using a common multiple as their common denominator. We will create a fraction pair that have the same denominators. A common denominator is a common multiple of the denominators of two or more fractions. We need common denominators to add, subtract, compare, or put fractions in order by their size. Fractions with different denominators represent wholes that are cut into a different amount of parts. Fractions with common denominators represent wholes that are cut into the same amount of parts. We can use paper folding to find a common denominator for a pair of fractions. By making common denominators for fractions, we can find out if they are equivalent fractions.

4th Grade Math 6.2, Generate Equivalent Fractions Using Multiplication or Division
https://youtu.be/nDDNStJN0l4

4th Grade Math 6.3, Fractions in Simplest Form, a.k.a. Reducing
https://youtu.be/pccNZ9CKm4g

4th Grade Math Playlist
https://www.youtube.com/playlist?list=PLKi4WTp6PRGX7RhcxctRibNb7V091JZfn

I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.

You can practice online using the textbook's website
https://www.gomathacademy.com/

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