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Find the LCM using common division

49 and 63

## Answers

Answered by

1

**Answer:**

LCM of 49 and 63 is 441.

**Step-by-step explanation:**

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149

__Question-__

Find the LCM using common division 49 and 63.

__Answer-__

LCM of 49 and 63 is 441.

__Explanation-__

**Method 1**

Look at the multiples of 49 and 63.

Multiples of 49 = 49, 98, ...,441,490, ...

Multiples of 63 = 63, 126, ..., 441, 504, ...

We can see, the lowest common multiple of 49 and 63 is 441.

Therefore, LCM of 49 and 63 is 441.

**Method 2**

We will use the formula of LCM (a, b):

LCM (a, b) = (a × b) / HCF (a, b)

HCF (a, b) is the highest common factor of a and b.

Use this formula to find the LCM of 49 and 63

LCM(49, 63) = (49 × 63) / HCF (49, 63)

LCM(49, 63) = 3087/7

LCM(49, 63) = 441

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