1. Decimal and Fraction Addition Review Topic 4

2. 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

3. 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

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

5. Example

7. Example r and r 2 are not like terms. Just add the first two terms. 24 is the LCD

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