Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Know Least Common Multiple of fractions 90/80, 13/68, 47/724 quickly i.e. 54990/4 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.
Least Common Multiple (LCM) of 90/80, 13/68, 47/724 is 54990/4.
LCM(90/80, 13/68, 47/724) = 54990/4
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given numbers are 90/80,13/68,47/724
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 90,13,47
Least Common Multiple of Numerators i.e. LCM of 90,13,47 is 54990.
GCF of Denominators means GCF of 80,68,724 as per the given fractions.
GCF of 80,68,724 is 4 as it is the largest common factor for these numbers.
Lets's calculate LCM of 90,13,47
Given numbers has no common factors except 1. So, there LCM is their product i.e 54990
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 90,13,47 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(90,13,47) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(90,13,47) x common factors =1 x 1 = 1
LCM(90,13,47) = ( 90 × 13 × 47 ) / 1
LCM(90,13,47) = 54990 / 1
LCM(90,13,47) = 54990
Lets's calculate GCF of 80,68,724
2 | 80, 68, 724 |
2 | 40, 34, 362 |
20, 17, 181 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 54990/4
Therefore the LCM of Fractions 90/80,13/68,47/724 is 54990/4
Factors of 80
List of positive integer factors of 80 that divides 80 without a remainder.
1,2,4,5,8,10,16,20,40,80
Factors of 68
List of positive integer factors of 68 that divides 68 without a remainder.
1,2,4,17,34,68
Factors of 724
List of positive integer factors of 724 that divides 724 without a remainder.
1,2,4,181,362,724
Greatest Common Factor
We found the factors 80,68,724 . The biggest common factor number is the GCF number.
So the greatest common factor 80,68,724 is 4.
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 90/80, 13/68, 47/724?
Answer: LCM of Numerators as per given numbers 90/80, 13/68, 47/724 is
LCM of Numerators i.e. for 90,13,47 is 54990
GCF of denominators i.e. for 80,68,724 is 4.
Thus, LCM of Fractions is 54990/4.Finally, LCM of Fractions for 90/80, 13/68, 47/724 is 54990/4.