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Find the LCM and HCF of 72 and 108...
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Answer:
LCM=36 and HCF=216
Step-by-step explanation:
72 = 2 x 2 x 2 x 3 x 3 - 1st set
108 = 2 x 2 x 3 x 3 x 3 -2nd set
for lcm we will only multiple those no. which are present in both set. so we get
LCM =2*2*3*3 =36
we have a Formula that is
the product of two no.= the product of LCM and HCF
72 x 108 = 36 x HCF
7776 = 36 HCF
HCF = 7776/36
HCF = 216
to check the answers you can use the formula
the product of two no. = HCF × LCM
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