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5–7EXAMPLE Simplify Before MultiplyingFind 3 _7 × 2 _9 .Estimate 1_2 × 2_9 =The numerator 3 and the denominator 9 have a commonfactor. Divide both the numerator and denominator by .®ORGANIZE ITRecord what you learnabout multiplyingfractions on the notecards in your Foldable. Asyou learn the concepts,move the note cardsfrom the Need to Knowpocket to the Knowpocket in your Foldable.3_7 × 2_9 = 31__ × 27 × 93= Simplify. Compare to the estimate.Check Your Progress Find3_8 × 4_5 .What I know:What I needto know:HOMEWORKASSIGNMENTPage(s):Exercises:EXAMPLE Evaluate ExpressionsALGEBRA Evaluate pq if p = 3 _4 and q = 8 _9 .pq = × Replace p with and= _ 3 × 84 × 9q with .The GCF of 3 and 9 is 3. The GCFof 4 and 8 is 4. Divide both thenumerator and the denominator by3 and then by 4.= Simplify.Check Your Progress Evaluate xy if x =3_ and y =4_4 9 .Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.130 Math Connects, Course 1