Multiplicación de Fracciones Profesor Moisés Grillo

Presentación del tema: "Multiplicación de Fracciones Profesor Moisés Grillo"— Transcripción de la presentación:

1 Multiplicación de Fracciones Profesor Moisés Grillo
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2 1 2 × 3 5 =

3 1 2 × 3 5 = 3 10 9 7 × 3 4 = 27 28 1 11 × 10 9 = 10 99

4 2 3 × 5 9 × 7 11 = 70 297 4 3 × 1 5 × 8 9 = 32 135 1 7 × 3 11 × 5 2 = 15 154

5 2 3 × 5 9 × 7 2 = 35 27 =1 8 27 5 7 × 3 7 × 1 2 = 15 98 4 3 × 2 5 × 4 7 = 4 3 × 1 8 × 8 9 = 4 27 32 105 1 5 × 3 11 × 5 2 = 3 22

6 1 2 × 4 5 × 2 3 = 4 15 7 9 × 1 5 × 1 2 = 7 90 1 3 × 5 7 × 1 2 = 5 42 3 5 × 2 7 × 1 3 = 2 35 3 7 × 1 2 × 3 5 = 9 70 1 8 × 1 9 × 1 5 = 1 360 5 4 × 1 5 × 3 4 = 3 16 7 9 × 1 7 × 1 5 = 1 45

7 2 6 12 7 × 5 18 = 10 21 9 3

8 Simplificación de Fracciones
1 2 4 2 6 = 1 3 4 10 = 2 5 8 14 = 4 7 3 5 7

9 2 4 = 1 2 4 6 = 2 3 6 8 = 3 4 2 8 = 1 4 4 14 = 2 7 12 14 = 6 7 2 10 = 1 5 4 18 = 2 9 16 18 = 8 9 2 12 = 1 6 4 22 = 2 11 20 22 = 10 11

10 3 5 6 5 × 3 10 = 9 25 10 18 × 1 3 = 5 27 5 9 4 10 5 14 × 8 9 = 20 63 3 7 × = 30 49 7 7

11 1 10 × 4 5 = 2 25 6 5 × 1 8 = 3 20 10 3 × 5 14 = 25 21 =1 4 21 11 18 × 10 7 = 55 63 3 7 × = 24 77 22 24 × 1 9 = 11 108 14 20 × 1 3 = 7 30 7 5 × = 42 65

12 1 2 3 7 4 6 × 7 18 = 7 27 21 55 6 10 × = 3 9 5 11

13 1 8 × 4 5 = 1 10 10 12 × = 35 54 4 2 × 5 6 = 5 3 4 5 × 2 7 = 8 35 3 10 × 4 14 = 3 35 12 20 × 3 5 = 9 25 6 8 × 2 4 = 3 8 16 20 × 1 18 = 2 45

14 Simplificación de Fracciones
1 3 5 3 6 = 1 2 9 12 = 3 4 15 21 = 5 7 2 4 7

15 3 9 = 1 3 3 18 = 1 6 6 21 = 2 7 6 9 = 2 3 21 24 = 7 8 12 27 = 4 9 9 15 = 3 5 15 24 = 5 8 24 27 = 8 9 12 21 = 4 7 18 21 = 6 7 21 30 = 7 10

16 2 5 6 5 × 1 15 = 2 25 15 18 × 1 3 = 5 18 5 6 1 1 7 7 12 × 3 5 = 7 20 5 7 × = 5 9 1 4 9

17 1 12 × 3 5 = 1 20 3 5 × 1 6 = 1 10 15 3 × 1 18 = 5 18 11 9 × 6 7 = 22 21 =1 1 21 3 5 × = 21 50 21 24 × 1 2 = 7 16 6 11 × 1 3 = 2 11 7 5 × 9 24 = 21 40

18 1 3 3 5 6 5 × 7 18 = 7 15 15 56 9 16 × = 9 7 8 3

19 1 9 × 6 4 = 1 6 10 5 × = 7 3 12 14 × 5 9 = 10 21 2 9 × 2 3 = 4 27 3 10 × 4 21 = 2 35 18 24 × 3 5 = 9 20 9 15 × 8 14 = 12 35 15 20 × 4 21 = 1 7

20 Simplificación de Fracciones
2 5 10 15 = 2 3 25 35 = 5 7 40 90 = 4 9 3 7

21 5 10 = 1 2 15 20 = 3 4 70 80 = 7 8 5 15 = 1 3 15 25 = 3 5 5 45 = 1 9 10 15 = 2 3 20 50 = 2 5 15 55 = 3 11 10 20 = 1 2 35 40 = 7 8 = 17 39

22 1 3 5 3 × 1 15 = 1 9 15 20 × 1 7 = 3 28 3 4 1 7 20 × 5 2 = 7 8 3 7 × = 6 49 4

23 1 10 × 5 3 = 1 6 3 5 × 10 2 = 3 15 3 × 1 10 = 1 2 10 9 × 6 70 = 2 21 3 5 × 30 7 = 18 7 =2 4 7 25 35 × 1 2 = 5 14 60 11 × 1 70 = 6 77 7 5 × = 8 5 =1 3 5

24 4 2 2 5 12 10 9 × 6 15 = 4 9 20 21 25 14 × = 3 9 7 1 3

25 1 10 × 16 4 = 2 5 12 25 × = 4 5 12 20 × 15 9 = 10 24 × = 1 8 1 3 25 × = 4 25 40 24 × = 1 9 15 × = 3 4 35 25 × 9 21 = 3 5

26 46 68 = 23 34 62 86 = 31 43 2 3 3 1 3 4 4 3 Pueden dividirse entre 2
todos aquellos números que terminen en 0, 2, 4, 6, 8.

27 1 3 1 1 39 96 = 3+9=12 13 32 33 63 = 11 21 9+6=15 3 2 2 1 Pueden dividirse entre 3 si la suma de sus cifras es un múltiplo de 3, es decir: 3, 6, 9, 12, etc.

28 35 55 = 7 11 35 77 = 5 11 7 5 1 1 1 1 Pueden dividirse entre 5
los números terminados es 5 o en 0

29 42 48 = 7 8 9 99 = 1 11 46 82 = 23 41 25 55 = 5 11 49 77 = 7 11 40 55 = 8 11 36 39 = 12 13 22 84 = 11 42 42 77 = 6 11 63 66 = 21 22 69 99 = 23 33 66 82 = 33 41

30 2 1 2 2 1 64 × 42 5 = 21 160 44 86 × 1 3 = 22 129 3 2 4 3 1 4 1 3 28 3 × 5 82 = 70 123 5 3 × = 65 93 4 1 3 1

31 52 74 = 78 94 = 26 37 39 47 2 6 3 9 3 7 4 7 Pueden dividirse entre 2
1 78 94 = 1 26 37 39 47 1 1 3 7 4 7 Pueden dividirse entre 2 todos aquellos números que terminen en 0, 2, 4, 6, 8.

32 1 7 1 9 3 1 4 3 1 8 68 84 = 1 17 21 76 88 = 19 22 4 2 4 4 2 1 2 2 Pueden dividirse entre 2 todos aquellos números que terminen en 0, 2, 4, 6, 8.

33 3 6 7 1 2 2 1 2 4 4 2 48 64 = 3 4 84 96 = 7 8 1 1 3 2 4 8 1 6 2 4 8 8 4

34 1 7 1 7 2 1 34 9 × = 1 17 4 =4 1 4 1 3 2 8 1 4

35 1 3 2 7 1 6 1 54 18 × = 1 16 7 =2 2 7 9 2 1 1 7

36 54 35 × = 6 5 =1 1 5 45 90 × = 8 25 22 56 × = 1 4 48 63 × = 16 63 24 60 × = 8 21 42 64 × = 7 16 55 11 × = 36 44 × = 18 77 1

37 4 2 2 5 12 10 9 × 6 15 = 4 9 20 21 25 14 × = 3 9 7 1 3