Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Know Least Common Multiple of fractions 51/21, 28/85, 99/88, 26/781 quickly i.e. 612612 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.
Least Common Multiple (LCM) of 51/21, 28/85, 99/88, 26/781 is 612612.
LCM(51/21, 28/85, 99/88, 26/781) = 612612
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given numbers are 51/21,28/85,99/88,26/781
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 51,28,99,26
Least Common Multiple of Numerators i.e. LCM of 51,28,99,26 is 612612.
GCF of Denominators means GCF of 21,85,88,781 as per the given fractions.
GCF of 21,85,88,781 is 1 as it is the largest common factor for these numbers.
Lets's calculate LCM of 51,28,99,26
2 | 51, 28, 99, 26 |
3 | 51, 14, 99, 13 |
17, 14, 33, 13 |
∴ So the LCM of the given numbers is 2 x 3 x 17 x 14 x 33 x 13 = 612612
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 51,28,99,26 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(51,28,99,26) = 1
common factors(in case of two or more numbers have common factors) = 6
GCF(51,28,99,26) x common factors =1 x 6 = 6
LCM(51,28,99,26) = ( 51 × 28 × 99 × 26 ) / 6
LCM(51,28,99,26) = 3675672 / 6
LCM(51,28,99,26) = 612612
Lets's calculate GCF of 21,85,88,781
∴ So GCF of numbers is 1 because of no common factors present between them.
Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 612612/1
Therefore the LCM of Fractions 51/21,28/85,99/88,26/781 is 612612
Factors of 21
List of positive integer factors of 21 that divides 21 without a remainder.
1,3,7,21
Factors of 85
List of positive integer factors of 85 that divides 85 without a remainder.
1,5,17,85
Factors of 88
List of positive integer factors of 88 that divides 88 without a remainder.
1,2,4,8,11,22,44,88
Factors of 781
List of positive integer factors of 781 that divides 781 without a remainder.
1,11,71,781
Greatest Common Factor
We found the factors 21,85,88,781 . The biggest common factor number is the GCF number.
So the greatest common factor 21,85,88,781 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 51/21, 28/85, 99/88, 26/781?
Answer: LCM of Numerators as per given numbers 51/21, 28/85, 99/88, 26/781 is
LCM of Numerators i.e. for 51,28,99,26 is 612612
GCF of denominators i.e. for 21,85,88,781 is 1.
Thus, LCM of Fractions is 612612.Finally, LCM of Fractions for 51/21, 28/85, 99/88, 26/781 is 612612.