1. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Chapter 2 Fractions

2. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Adding and Subtracting Mixed Numbers and the Order of Operations 2.8

3. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Adding Mixed Numbers When adding mixed numbers, it is best to add the fractions together and then add the whole numbers together. Example: Add LCD = 6 Add the fractions first. Add the whole numbers.

4. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Subtracting Mixed Numbers Subtracting mixed numbers is like adding mixed numbers. Example: Add LCD = 24 Subtract the fractions first. Subtract the whole numbers.

5. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Subtracting Mixed Numbers Example: Add LCD = 36

6. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Order of Operations 1.Perform operations inside any parentheses. 2.Simplify any expressions with exponents. 3.Multiply or divide from left to right. 4.Add or subtract from left to right. Do first Do last Example: Evaluate Exponents Multiplication

7. Copyright © 2012, 2009, 2005, 2002 Pearson Education, Inc. Order of Operations Example: Evaluate Express division as multiplication. Multiply. Rewrite fractions using the LCD. Add and simplify.