The LCM of the numbers 3, 7.2 and 0.64 is:
144
Converting to fractions: \(3=\tfrac31,\ 7.2=\tfrac{36}{5},\ 0.64=\tfrac{16}{25}\).
LCM of fractions: \(\dfrac{\text{LCM}(3,36,16)}{\text{HCF}(1,5,25)} = \dfrac{144}{1} = 144\).
Hence, the LCM of 3, 7.2 and 0.64 is 144.
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Important Questions from LCM and HCF
The HCF and LCM of two numbers are 12 and 72, respectively. If the ratio of the two numbers is 2 ∶ 3, then the larger of the two numbers is:
Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
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What is the least number which when divided by 12,20 and 24 leaves in each case a remainder of 8?
Which of the following is a pair of co-primes?
