# What is the ratio between HCF and LCM of 12 and 18?

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## What is the ratio between HCF and LCM of 12 and 18?

Factors of 18 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 6 [since 6 is the highest common factor].

## What is a HCF of 18?

The HCF of 18 and 48 is 6. To calculate the HCF (Highest Common Factor) of 18 and 48, we need to factor each number (factors of 18 1, 2, 3, 6, 9, 18; factors of 48 1, 2, 3, 4, 6, 8, 12, 16, 24, 48) and choose the highest factor that exactly divides both 18 and 48, i.e., 6.

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## What is HCF and LCM of 12 and 18?

Therefore, the HCF of 12 and 18 is 6. Example 3: Find the HCF of 12 and 18, if their LCM is 36. Therefore, the highest common factor of 12 and 18 is 6.

## What will you get on dividing LCM of 18 and 12 by their HCF?

HCF 2 x 3 6 There is only one 2 in 18 and only one 3 in 12. LCM 2 x 2 x 3 x 3 36 You need two 2’s and two 3’s to cover both 12 and 18.

36

## How do you find the ratio of LCM and HCF?

Solved Examples(Set 1) – HCF and LCM.3. Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. Their H.C.F. is:A. 40B. 20C. 10D. 30

6

6

6

2

6

36

## What is LCM and HCF of 12?

HCF 2 x 3 6 There is only one 2 in 18 and only one 3 in 12. LCM 2 x 2 x 3 x 3 36 You need two 2’s and two 3’s to cover both 12 and 18.

## What is the LCM of 18 and 12 divided by the HCF?

HCF 2 x 3 6 There is only one 2 in 18 and only one 3 in 12. LCM 2 x 2 x 3 x 3 36 You need two 2’s and two 3’s to cover both 12 and 18.

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## What is the answer 12 and 18 LCM?

The LCM of 12 and 18 is 36. To find the LCM (least common multiple) of 12 and 18, we need to find the multiples of 12 and 18 (multiples of 12 12, 24, 36, 48; multiples of 18 18, 36, 54, 72) and choose the smallest multiple that is exactly divisible by 12 and 18, i.e., 36.

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