Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Know Least Common Multiple of fractions 78/97, 52/99, 69/45, 63/161 quickly i.e. 75348 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.
Least Common Multiple (LCM) of 78/97, 52/99, 69/45, 63/161 is 75348.
LCM(78/97, 52/99, 69/45, 63/161) = 75348
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given numbers are 78/97,52/99,69/45,63/161
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 78,52,69,63
Least Common Multiple of Numerators i.e. LCM of 78,52,69,63 is 75348.
GCF of Denominators means GCF of 97,99,45,161 as per the given fractions.
GCF of 97,99,45,161 is 1 as it is the largest common factor for these numbers.
Lets's calculate LCM of 78,52,69,63
2 | 78, 52, 69, 63 |
3 | 39, 26, 69, 63 |
13 | 13, 26, 23, 21 |
1, 2, 23, 21 |
∴ So the LCM of the given numbers is 2 x 3 x 13 x 1 x 2 x 23 x 21 = 75348
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 78,52,69,63 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(78,52,69,63) = 1
common factors(in case of two or more numbers have common factors) = 234
GCF(78,52,69,63) x common factors =1 x 234 = 234
LCM(78,52,69,63) = ( 78 × 52 × 69 × 63 ) / 234
LCM(78,52,69,63) = 17631432 / 234
LCM(78,52,69,63) = 75348
Lets's calculate GCF of 97,99,45,161
∴ So GCF of numbers is 1 because of no common factors present between them.
Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 75348/1
Therefore the LCM of Fractions 78/97,52/99,69/45,63/161 is 75348
Factors of 97
List of positive integer factors of 97 that divides 97 without a remainder.
1,97
Factors of 99
List of positive integer factors of 99 that divides 99 without a remainder.
1,3,9,11,33,99
Factors of 45
List of positive integer factors of 45 that divides 45 without a remainder.
1,3,5,9,15,45
Factors of 161
List of positive integer factors of 161 that divides 161 without a remainder.
1,7,23,161
Greatest Common Factor
We found the factors 97,99,45,161 . The biggest common factor number is the GCF number.
So the greatest common factor 97,99,45,161 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 78/97, 52/99, 69/45, 63/161?
Answer: LCM of Numerators as per given numbers 78/97, 52/99, 69/45, 63/161 is
LCM of Numerators i.e. for 78,52,69,63 is 75348
GCF of denominators i.e. for 97,99,45,161 is 1.
Thus, LCM of Fractions is 75348.Finally, LCM of Fractions for 78/97, 52/99, 69/45, 63/161 is 75348.