Use our free GCF of Fractions Calculator tool to compute the GCF of 307/687, 1538/7938 i.e 1/1817802 easily. The following is the detailed procedure to determine the greatest common factor of fractions 307/687, 1538/7938.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 307/687,1538/7938
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 307/687,1538/7938, numerators are 307,1538
Denominators are 687,7938
The GCF of 307,1538 is 1 .
LCM of 687,7938 is 1817802.
The greatest common factor of 307/687,1538/7938 = [GCF of 307,1538]/[LCM of 687,7938]= 1/1817802
Therefore, the GCF of 307/687,1538/7938 is 1/1817802.
To find the highest common factor of 307,1538, we have to find the factors of both numbers and list the highest common factor.
The factors of 307 are 1, 307
The factors of 1538 are 1, 2, 769, 1538
The HCF of 307,1538 is 1.
Lets's calculate GCF of 307,1538
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 307
:1,307
Now, list down the factors of 1538
:1,2,769,1538
Greatest Common Factor
We found the factors 307,1538 . The biggest common factor number is the GCF number.
So the greatest common factor 307,1538 is 1.
Lets's calculate LCM of 687,7938
3 | 687, 7938 |
229, 2646 |
∴ So the LCM of the given numbers is 3 x 229 x 2646 = 1817802
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1817802
Therefore, the GCF of Fractions 307/687,1538/7938 is 1/1817802
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 687,7938 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(687,7938) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(687,7938) x common factors =3 x 1 = 3
LCM(687,7938) = ( 687 × 7938 ) / 3
LCM(687,7938) = 5453406 / 3
LCM(687,7938) = 1817802
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 307,1538?
The HCF of 307,1538 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 307/687, 1538/7938?
Answer: GCF of Numerators as per given numbers 307/687, 1538/7938 is
GCF of Numerators i.e. for 307,1538 is 1
LCM of denominators i.e. for 687,7938 is 1817802.
Thus, GCF of Fractions is 1/1817802.Finally, GCF of Fractions for 307/687, 1538/7938 is 1/1817802.