Question

3 5. 33 LCM = 2 5. Example 16 : Find the LCM of 240, 420, 660 Solution 2 2 2 60, 240, 420, 660 120, 210, 330 105, 165 105. 165 105. 165 2 30, 3 15. 5 5, 35. 55 LCM = 2 * 2 * 2 * 2 * 3 * 5 * 7 * 1l = 18 1. 7. Exercise 3.7 Find the LCM of the following numbers by prime factorisation method (d) 60, 105 (a) 4, 12, 16 (c) II. 28, 77 (g) 220, 640 (b) 36, 72 (1) 56, 63, 49 (h) 15, 18, 24, (e) 24, 45, 90 Find the LCM of the following numbers by the common division method: (C) 54, 108, 135, 140 (a) 24, 36, 40 (d) 550, 340, 750, 800 (b) 15, 20, 27 (e) 150, 84, 62 (0) 99. 51, 200 56 write

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Answer 1

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