Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Know Least Common Multiple of fractions 9/27, 3/10, 81/40, 27/621 quickly i.e. 81 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.
Least Common Multiple (LCM) of 9/27, 3/10, 81/40, 27/621 is 81.
LCM(9/27, 3/10, 81/40, 27/621) = 81
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given numbers are 9/27,3/10,81/40,27/621
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 9,3,81,27
Least Common Multiple of Numerators i.e. LCM of 9,3,81,27 is 81.
GCF of Denominators means GCF of 27,10,40,621 as per the given fractions.
GCF of 27,10,40,621 is 1 as it is the largest common factor for these numbers.
Lets's calculate LCM of 9,3,81,27
3 | 9, 3, 81, 27 |
3 | 3, 1, 27, 9 |
3 | 1, 1, 3, 9 |
1, 1, 1, 3 |
∴ So the LCM of the given numbers is 3 x 3 x 3 x 1 x 1 x 1 x 3 = 81
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 9,3,81,27 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(9,3,81,27) = 3
common factors(in case of two or more numbers have common factors) = 243
GCF(9,3,81,27) x common factors =3 x 243 = 729
LCM(9,3,81,27) = ( 9 × 3 × 81 × 27 ) / 729
LCM(9,3,81,27) = 59049 / 729
LCM(9,3,81,27) = 81
Lets's calculate GCF of 27,10,40,621
∴ So GCF of numbers is 1 because of no common factors present between them.
Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 81/1
Therefore the LCM of Fractions 9/27,3/10,81/40,27/621 is 81
Factors of 27
List of positive integer factors of 27 that divides 27 without a remainder.
1,3,9,27
Factors of 10
List of positive integer factors of 10 that divides 10 without a remainder.
1,2,5,10
Factors of 40
List of positive integer factors of 40 that divides 40 without a remainder.
1,2,4,5,8,10,20,40
Factors of 621
List of positive integer factors of 621 that divides 621 without a remainder.
1,3,9,23,27,69,207,621
Greatest Common Factor
We found the factors 27,10,40,621 . The biggest common factor number is the GCF number.
So the greatest common factor 27,10,40,621 is 1.
Here are some samples of LCM of Fractions calculations.
Here are some samples of LCM of Fractions calculations.
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 9/27, 3/10, 81/40, 27/621?
Answer: LCM of Numerators as per given numbers 9/27, 3/10, 81/40, 27/621 is
LCM of Numerators i.e. for 9,3,81,27 is 81
GCF of denominators i.e. for 27,10,40,621 is 1.
Thus, LCM of Fractions is 81.Finally, LCM of Fractions for 9/27, 3/10, 81/40, 27/621 is 81.