Use our free GCF of Fractions Calculator tool to compute the GCF of 393/123, 8169/231 i.e 3/9471 easily. The following is the detailed procedure to determine the greatest common factor of fractions 393/123, 8169/231.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 393/123,8169/231
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 393/123,8169/231, numerators are 393,8169
Denominators are 123,231
The GCF of 393,8169 is 3 .
LCM of 123,231 is 9471.
The greatest common factor of 393/123,8169/231 = [GCF of 393,8169]/[LCM of 123,231]= 3/9471
Therefore, the GCF of 393/123,8169/231 is 3/9471.
To find the highest common factor of 393,8169, we have to find the factors of both numbers and list the highest common factor.
The factors of 393 are 1, 3, 131, 393
The factors of 8169 are 1, 3, 7, 21, 389, 1167, 2723, 8169
The HCF of 393,8169 is 3.
Lets's calculate GCF of 393,8169
3 | 393, 8169 |
131, 2723 |
∴ So the GCF of the given numbers is 3 = 3
Now, list down the factors of 393
:1,3,131,393
Now, list down the factors of 8169
:1,3,7,21,389,1167,2723,8169
Greatest Common Factor
We found the factors 393,8169 . The biggest common factor number is the GCF number.
So the greatest common factor 393,8169 is 3.
Lets's calculate LCM of 123,231
3 | 123, 231 |
41, 77 |
∴ So the LCM of the given numbers is 3 x 41 x 77 = 9471
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/9471
Therefore, the GCF of Fractions 393/123,8169/231 is 3/9471
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 123,231 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(123,231) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(123,231) x common factors =3 x 1 = 3
LCM(123,231) = ( 123 × 231 ) / 3
LCM(123,231) = 28413 / 3
LCM(123,231) = 9471
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 393,8169?
The HCF of 393,8169 is 3
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 393/123, 8169/231?
Answer: GCF of Numerators as per given numbers 393/123, 8169/231 is
GCF of Numerators i.e. for 393,8169 is 3
LCM of denominators i.e. for 123,231 is 9471.
Thus, GCF of Fractions is 3/9471.Finally, GCF of Fractions for 393/123, 8169/231 is 3/9471.