11 Answers
11 Answers
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First convert the given numbers into fractional parts . Then LCM=LCM(NUMERATOR)/HCF(DENOMENATOR) HCF=HCF(NUMERATOR)/LCM(DENOMENATOR) LCM=42 HCF=0.042Modal content
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LCM=42
HCF=0.042Modal content
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LCM-42 HCF-0.042Modal content
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LCM =42
HCF =0.042Modal content
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Let’s take two fractions (a/b) and (c/d).
To find LCM and HCF of (a/b) and (c/d) the generalized formula will be:
H.C.F = H.C.F of numerators / L.C.M of denominators
L.C.M = L.C.M of numerators / H.C.F of denominators
so LCM will be 42
HCF will be 0.042Modal content
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Initially multiply by 1000 each no so the numbers will be =4200,42000,420,42
LCM (4200,42000,420,42) = 42000
we multiplied the number by 1000 so answer should be divided by 1000 implies lcm = 42
HCF of rational number = HCF of numerator / lcm of numerator = 0.042Modal content
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42,0.042Modal content
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Convert them to fractions(p/q) and then do LCM of numerators divide with HCF of denominators in the first case.viceversa u get hcfModal content
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The simplest way to solve this kind of questions is to convert these decimals into fractions and it will become easier. And solving this question you will get 42 as LCMModal content
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