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Objective Multiply fractions Example 2-4b

Greatest common factor Review Vocabulary Greatest common factor The greatest of the common factors of two or more numbers Example 2-4b

Example 1 Multiply Fractions Example 2 Multiply Fractions and Whole Numbers Example 3 Simplify Before Multiplying Example 4 Evaluate Expressions Lesson 2 Contents

Multiply denominators Write problem Find  Multiply numerators  Multiply denominators 1  1 Simplify numerator 5  6 Simplify denominator Since numerator is 1 we now the fraction is in simplest terms Answer: 1/4 Example 2-1a

Find  Answer: 1/4 Example 2-1b

Multiply denominators  Simplify numerator  Simplify denominator Write problem Find  Put 1 as a denominator on 7 Multiply numerators  Multiply denominators  Simplify numerator  Simplify denominator Since numerator is larger than denominator, simplify with calculator Answer: 2/4 Example 2-2a

Find  Answer: 2/4 Example 2-2b

Multiply denominators Write problem Find  Multiply numerators  Multiply denominators Simplify numerator   Simplify denominator 6  3 Numerator is smaller than denominator, must find GCF 63  3 Divide GCF of 3 into numerator and denominator Answer: 3/4 Example 2-3a

Find  Answer: 3/4 Example 2-3b

Multiply denominators 36  12 ALGEBRA Evaluate Write problem Replace p with  3  8 Replace q with 4  9 Multiply numerators 24  12 Multiply denominators 36  12 Numerator is smaller than denominator, must find GCF Answer: Divide GCF of 12 into numerator and denominator 4/4 Example 2-4a

* ALGEBRA Evaluate Answer: 4/4 Example 2-4b

Multiplying Fractions Assignment Lesson 7:2 Multiplying Fractions 13 - 33 All End of Lesson 2