GCF of 398/81, 618/269
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 398/81, 618/269 i.e 2/21789 easily. The following is the detailed procedure to determine the greatest common factor of fractions 398/81, 618/269.
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 398/81,618/269?
Given fractions are 398/81,618/269
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 398/81,618/269, numerators are 398,618
Denominators are 81,269
The GCF of 398,618 is 2 .
LCM of 81,269 is 21789.
The greatest common factor of 398/81,618/269 = [GCF of 398,618]/[LCM of 81,269]= 2/21789
Therefore, the GCF of 398/81,618/269 is 2/21789.
To find the highest common factor of 398,618, we have to find the factors of both numbers and list the highest common factor.
The factors of 398 are 1, 2, 199, 398
The factors of 618 are 1, 2, 3, 6, 103, 206, 309, 618
The HCF of 398,618 is 2.
Lets's calculate GCF of 398,618
| 2 | 398, 618 |
| 199, 309 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 398,618 By Matching Biggest Common Factor Method
Now, list down the factors of 398
:1,2,199,398
Now, list down the factors of 618
:1,2,3,6,103,206,309,618
Greatest Common Factor
We found the factors 398,618 . The biggest common factor number is the GCF number.
So the greatest common factor 398,618 is 2.
Lets's calculate LCM of 81,269
Given numbers has no common factors except 1. So, there LCM is their product i.e 21789
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/21789
Therefore, the GCF of Fractions 398/81,618/269 is 2/21789
Least Common Multiple of 81,269 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 81,269 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(81,269) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(81,269) x common factors =1 x 1 = 1
LCM(81,269) = ( 81 × 269 ) / 1
LCM(81,269) = 21789 / 1
LCM(81,269) = 21789
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FAQs on GCF of Fractions of 398/81, 618/269
1. What is the HCF of 398,618?
The HCF of 398,618 is 2
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 398/81, 618/269?
Answer: GCF of Numerators as per given numbers 398/81, 618/269 is
GCF of Numerators i.e. for 398,618 is 2
LCM of denominators i.e. for 81,269 is 21789.
Thus, GCF of Fractions is 2/21789.Finally, GCF of Fractions for 398/81, 618/269 is 2/21789.