Decimal and Fraction Addition

Decimal and Fraction Addition : Decimal and Fraction Addition Review Topic 4

Decimal Addition : Decimal Addition Whole numbers have the decimal after the one place Line up the decimal Fill in zeros Try 5 + 0.3 + 2.12 + 0.243

Common Denominator : Common Denominator A number that can be divided evenly by both denominators is a common denominator The smallest common denominator is the least common denominator Find a common denominator for 7/15 and 5/12

Fraction Addition : Fraction Addition Find the least common denominator Raise all fractions to be added to that denominator ADD Simplify

Example : Example

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Example : Example r and r2 are not like terms. Just add the first two terms. 24 is the LCD

Acceptable way to write : Acceptable way to write These are the same. These are NOT the same because of the order of operations.