GCF of 82/57, 678/98, 129/438
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 82/57, 678/98, 129/438 i.e 1/407778 easily. The following is the detailed procedure to determine the greatest common factor of fractions 82/57, 678/98, 129/438.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 82/57,678/98,129/438?
Given fractions are 82/57,678/98,129/438
To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by
GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators
In the fractions 82/57,678/98,129/438, numerators are 82,678,129
Denominators are 57,98,438
The GCF of 82,678,129 is 1 .
LCM of 57,98,438 is 407778.
The greatest common factor of 82/57,678/98,129/438 = [GCF of 82,678,129]/[LCM of 57,98,438]= 1/407778
Therefore, the GCF of 82/57,678/98,129/438 is 1/407778.
To find the highest common factor of 82,678,129, we have to find the factors of both numbers and list the highest common factor.
The factors of 82 are 1, 2, 41, 82
The factors of 678 are 1, 2, 3, 6, 113, 226, 339, 678
The factors of 129 are 1, 3, 43, 129
The HCF of 82,678,129 is 1.
Lets's calculate GCF of 82,678,129
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 82,678,129 By Matching Biggest Common Factor Method
Now, list down the factors of 82
:1,2,41,82
Now, list down the factors of 678
:1,2,3,6,113,226,339,678
Now, list down the factors of 129
:1,3,43,129
Greatest Common Factor
We found the factors 82,678,129 . The biggest common factor number is the GCF number.
So the greatest common factor 82,678,129 is 1.
Lets's calculate LCM of 57,98,438
| 2 | 57, 98, 438 |
| 3 | 57, 49, 219 |
| 19, 49, 73 |
∴ So the LCM of the given numbers is 2 x 3 x 19 x 49 x 73 = 407778
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/407778
Therefore, the GCF of Fractions 82/57,678/98,129/438 is 1/407778
Least Common Multiple of 57,98,438 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 57,98,438 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(57,98,438) = 1
common factors(in case of two or more numbers have common factors) = 6
GCF(57,98,438) x common factors =1 x 6 = 6
LCM(57,98,438) = ( 57 × 98 × 438 ) / 6
LCM(57,98,438) = 2446668 / 6
LCM(57,98,438) = 407778
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FAQs on GCF of Fractions of 82/57, 678/98, 129/438
1. What is the HCF of 82,678,129?
The HCF of 82,678,129 is 1
2. What is the GCF of a fraction?
The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.
3. How to find GCF in Fractions?
Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.
4. What is the GCF of Fractions for 82/57, 678/98, 129/438?
Answer: GCF of Numerators as per given numbers 82/57, 678/98, 129/438 is
GCF of Numerators i.e. for 82,678,129 is 1
LCM of denominators i.e. for 57,98,438 is 407778.
Thus, GCF of Fractions is 1/407778.Finally, GCF of Fractions for 82/57, 678/98, 129/438 is 1/407778.