 # Multiplying Mixed Numbers and Fractions Section 6-5.

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Multiplying Mixed Numbers and Fractions Section 6-5

Modeling 3535 3434 X = 9 20

Modeling 4545 1414 X = 4 20 1515

Absolute Rule!!! Mixed numbers must be converted to Improper Fractions! Step 1: Change all mixed numbers to improper fractions. Step 2: Top x Top, Bottom x Bottom. Step 2b: CANCEL! Canceling is dividing a numerator and a denominator by a common factor. Cancel before multiplying! Step 3: Simplify! Simplify! Simplify!

How do I know to multiply? Look for the normal signs. x ; ; ( )( ) Look for the word, ‘of’, or ‘out of’. When you want part of the whole, you multiply the two fractions/ mixed numbers. When modeling multiplication of fractions, look for: –The fraction represented by the column –The fraction represented by the row –The double shaded region over the total number of squares is your answer.

Practice 1 10 1212 24 3 14 22 1616

Homework Worksheet – Practice,6 – 5,  Quiz on Tomorrow!  Extra practice @ www.math.comwww.math.com