find the lcm and hcf by common divisible method
1)18,60 2) 27,63 3) 12,45,75 4) 32,80 5)13,19((((((please be fast)))))
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- 18,60. LCM=180 HCF=6
- 27,63. LCM=189. HCF=9
- 32,80. LCM=160. HCF=16
- 13,19 LCM=247. HCF=1
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