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Multiplication of Fractions. Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use Web Resources Stage 4 Years 7 & 8.

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Presentation on theme: "Multiplication of Fractions. Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use Web Resources Stage 4 Years 7 & 8."— Presentation transcript:

1 Multiplication of Fractions. Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use Web Resources Stage 4 Years 7 & 8

2 2 Multiplication (1/7) Mixed NumbersImproper Fractions 1.Write Mixed Numbers as Improper Fractions. vertically diagonally 2.Simplify the fraction both vertically and diagonally. 1 x 2 = 2321053 x 2210 53 x = 2210 1 2 11 1 13 x 111 End of Slide

3 3 Multiplication (2/7) Numerators Denominators 3.multiply Numerators and then multiply Denominators. 13 x = 11111 3 Improper Fractions Mixed Fractions 4.Change any Improper Fractions into Mixed Fractions. = 3 23 11 3 End of Slide

4 4 Multiplication (3/7)23 x= 212 14 14 23 x 212 = End of Slide

5 5 Multiplication (4/7)13 x= 112 a) 14 15 x= 215 23 17 x= 249 27 End of Slide

6 6 Multiplication (5/7)17 x = 67 a) 6 34 x= 154 b) 5 7 x= c) 25 = 3 34 145 = 2 451 1 1 End of Slide

7 7 Multiplication (6/7)37 x = 8 a) 6 1 107 x = 61607 = 47 12 x = 7 b) 2 3 72 x = 21 142 = 56 x = 8 c) 3 2 176 x = 31 516 = 36 8 = 12 End of Slide

8 8 Multiplication (7/7)38 x = a) 46 1) Divide by 3 Top & Bottom 2) Divide by 4 2 11 2 3) Multiply 14 2427 x = b) 38 1) Divide by 8 Top & Bottom 2) Divide by 3 1 31 9 4) Multiply 13 3) Divide by 3 1 3 End of Show


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