How to Add and Subtract Fractions!

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by jessurbino
Last updated 5 years ago

Discipline:
Math
Subject:
Fractions
Grade:
6,7

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How to Add and Subtract Fractions!

How to Add and Subtract Fractions!

Terms to Know!-Two parts: Numerator (top), Denominator (bottom).-Simplify: lowest terms possible!-"Like" denominators (same)-"Unlike" denominators (not the same)

1.) Like denominator2.) Add or subtract the numerator.3.) Simplify!!!!It's as easy as adding and subtracting regular numbers!

1 2 3--- + --- = --- 4 4 4

3 2 1--- - --- = --- 7 7 7

What about when there are UNLIKE DENOMINATORS?!?!1.) Find a number that both numerators can go into.2.) Rewrite each fraction so it has that denominator.3.) Add/ Subtract numerators.4.) Use the same denominator in your answer. 5.) SIMPLIFY!!!

3 1 9 2 11--- + --- = --- + --- = --- 4 6 12 12 12

Watch this!

Pizza is fractions!

Manoj.2172@yahoo.com. ( 2011 September). How to Simplify Fractions. Retrieved from http://flickr.com.Richard. (2011 January). Pizza. Retrieved from http://flickr.com.

By:Jessica UrbinoFor 6th and 7th grade students


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