Question

the ratio of 2 nos is 3:4. HCF is 4. what is the lcm? ​

Answer 1

Answer:

LCM=Product/HCF  

Let the two numbers be 3x and 4x.

Now, LCM = Lowest Common Multiple

So, 4 × 3x = 12x

Again, As per question HCF = 4 .

And, Product =4x×3x=$12x^{2}$

So, LCM(12x) × 4 = 12 x2

=> 48/12 = x

=> x = 4

Now, LCM = 12x = 4 × 12 = 48 .

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Answer 2

Answer:

LCM=Product/HCF

Let the two numbers be 3x and 4x.

Now, LCM = Lowest Common Multiple

So, 4 × 3x = 12x

Again, As per question HCF = 4 .

And, Product =4x×3x=12x^{2}12x

2

So, LCM(12x) × 4 = 12 x2

=> 48/12 = x

=> x = 4

now, lcm=24

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