Least Common Multiple of 81/213, 872/428, 769/640

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Know Least Common Multiple of fractions 81/213, 872/428, 769/640 quickly i.e. 54316008 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.

Least Common Multiple (LCM) of 81/213, 872/428, 769/640 is 54316008.

LCM(81/213, 872/428, 769/640) = 54316008

LCM of 81/213, 872/428, 769/640

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

LCM of:

Least Common Multiple of 81/213,872/428,769/640

Given numbers are 81/213,872/428,769/640

Formula to find LCM of Fractions is

LCM = LCM of Numerators/GCF of Denominators

As per the formula LCM of Fractions let’s split into two parts and find the LCM of Numerators and GCF of Denominators

In the given fractions LCM of Numerators means LCM of 81,872,769

Least Common Multiple of Numerators i.e. LCM of 81,872,769 is 54316008.

GCF of Denominators means GCF of 213,428,640 as per the given fractions.

GCF of 213,428,640 is 1 as it is the largest common factor for these numbers.

Lets's calculate LCM of 81,872,769

LCM of Fractions 81/213,872/428,769/640 is 54316008

Given numbers has no common factors except 1. So, there LCM is their product i.e 54316008

Least Common Multiple of 81,872,769 with GCF Formula

Least Common Multiple of 81,872,769 with GCF Formula

The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 81,872,769 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(81,872,769) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(81,872,769) x common factors =1 x 1 = 1

LCM(81,872,769) = ( 81 × 872 × 769 ) / 1

LCM(81,872,769) = 54316008 / 1

LCM(81,872,769) = 54316008


Lets's calculate GCF of 213,428,640

∴ So GCF of numbers is 1 because of no common factors present between them.

Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 54316008/1

Therefore the LCM of Fractions 81/213,872/428,769/640 is 54316008

Greatest Common Factor of 213,428,640 By Matching Biggest Common Factor Method

Greatest Common Factor of 213,428,640 By Matching Biggest Common Factor Method

Factors of 213

List of positive integer factors of 213 that divides 213 without a remainder.

1,3,71,213

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 213,428,640 . The biggest common factor number is the GCF number.
So the greatest common factor 213,428,640 is 1.


LCM of Fractions Calculation Examples

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LCM of Fractions Calculation Examples

Frequently Asked Questions on Fractional LCM of 81/213, 872/428, 769/640

1. How to find LCM in Fractions?

Answer: LCM of fractions can be found using the simple formula LCM of Fractions = LCM of Numerators/GCF of Denominators.

2. What is the LCM of Fractions for 81/213, 872/428, 769/640?

Answer: LCM of Numerators as per given numbers 81/213, 872/428, 769/640 is

LCM of Numerators i.e. for 81,872,769 is 54316008

GCF of denominators i.e. for 213,428,640 is 1.

Thus, LCM of Fractions is 54316008.Finally, LCM of Fractions for 81/213, 872/428, 769/640 is 54316008.