Question

Example The product of two 2-digit numbers is 1280 and the GCD = 4. What is their LCM? GCD * LCM = Product of given numbers 4 X LCM = 1280 .. LCM 1280 = 320 4 Practice Set 13 1. Find the LCM. (i) 12, 15 (ii) 6, 8, 10 (iii) 18, 32 (iv) 10, 15, 20 (v) 45, 86 (vi) 15, 30, 90 (vii) 105, 195 (viii) 12, 15, 45 (ix) 63, 81 (x) 18, 36, 27 2. Find the HCF and LCM of the numbers given below. Verify that their product is equal to the product of the given numbers. (i) 32, 37 (ii) 46, 51 (iii) 15, 60 (iv) 18, 63 (v) 78, 104 The Use of LCM and HCF s bo​

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