find the lcm by common short division method 45,20
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Step-by-step explanation:
3 45. 2 20
3 15. 2 10
5 5. 5 5
1. 1
LCM :
45 = 3 * 3 * 5
10 = 2 * 2 * 5
LCm = 5* 3* 3* 2* 2*
= 15 * 6* 2
= 15* 12
= 180
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