The Lcm Of 16 And 18: Explanation And Solution


LCM of 16, 18 and 24 How to Find LCM of 16, 18, 24?
LCM of 16, 18 and 24 How to Find LCM of 16, 18, 24? from www.cuemath.com

Introduction

As a professional teacher, it is my duty to explain and solve mathematical problems for my students. In this article, I will be discussing the LCM (Least Common Multiple) of 16 and 18. LCM is one of the fundamental concepts in mathematics, and it is essential for solving various problems related to fractions, ratios, and proportions.

What is LCM?

LCM is the smallest number that is a multiple of two or more given numbers. In other words, LCM is the least common denominator that can be used to add or subtract fractions with different denominators. For example, the LCM of 2 and 3 is 6, as 6 is the smallest number that is divisible by both 2 and 3.

Factors of 16 and 18

To find the LCM of 16 and 18, we need to list down the factors of both numbers. Factors are the numbers that divide a given number without leaving any remainder. The factors of 16 are 1, 2, 4, 8, and 16. Similarly, the factors of 18 are 1, 2, 3, 6, 9, and 18.

Common Factors

After listing down the factors, we need to find the common factors of both numbers. Common factors are the numbers that divide both numbers without leaving any remainder. The common factors of 16 and 18 are 1 and 2.

Highest Common Factor

The highest common factor (HCF) of two numbers is the largest number that divides both numbers without leaving any remainder. In this case, the HCF of 16 and 18 is 2.

Formula for LCM

Once we have found the HCF of the two numbers, we can use the following formula to find the LCM: LCM = (Number 1 x Number 2) / HCF

LCM of 16 and 18

Using the above formula, we can find the LCM of 16 and 18 as follows: LCM = (16 x 18) / 2 LCM = 144 Therefore, the LCM of 16 and 18 is 144.

Application of LCM

LCM is used in various mathematical problems. For example, if we have to add or subtract fractions with different denominators, we need to find the LCM of the denominators to get a common denominator. Then, we can add or subtract the numerators and simplify the fraction.

Conclusion

In conclusion, LCM is an essential concept in mathematics, and it is used in various applications. To find the LCM of two numbers, we need to list down the factors, find the common factors, and then use the formula to calculate the LCM. In this case, the LCM of 16 and 18 is 144.

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