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## Fraction Addition

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**¾ + ¾**• Count the pieces**Try some**• 4/5 + 3/5**Apples and Oranges**• The things you add have to be the same size**Common Denominator**• A number all original denominators divide into evenly • 12 is a common denominator because 3 and 4 both divide 12 evenly.**Least Common Denominator**• To find the least common denominator • Write the times table list for each denominator • The smallest number that is in all rows is the least common denominator**Least Common Denominator**• To find the least common denominator • Write the times table list for each denominator • The smallest number that is in all rows is the least common denominator**Try One**• Find the common denominator for these fractions • A) 2/3 + 3/5 • B)¾ + 7/12 • C)2/5 + 3/8 + 7/10**Addition**• Find a common denominator • Raise to the denominator • Add • Simplify**Addition**• Find a common denominator • Raise to the denominator • Add • Simplify**Addition**• Find a common denominator • Raise to the denominator • Add • Simplify**Backdrops:**- These are full sized backdrops, just scale them up! - Can be Copy-Pasted out of Templates for use anywhere! www.animationfactory.com