Use our free GCF of Fractions Calculator tool to compute the GCF of 785/257, 424/618 i.e 1/158826 easily. The following is the detailed procedure to determine the greatest common factor of fractions 785/257, 424/618.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 785/257,424/618
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 785/257,424/618, numerators are 785,424
Denominators are 257,618
The GCF of 785,424 is 1 .
LCM of 257,618 is 158826.
The greatest common factor of 785/257,424/618 = [GCF of 785,424]/[LCM of 257,618]= 1/158826
Therefore, the GCF of 785/257,424/618 is 1/158826.
To find the highest common factor of 785,424, we have to find the factors of both numbers and list the highest common factor.
The factors of 785 are 1, 5, 157, 785
The factors of 424 are 1, 2, 4, 8, 53, 106, 212, 424
The HCF of 785,424 is 1.
Lets's calculate GCF of 785,424
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 785
:1,5,157,785
Now, list down the factors of 424
:1,2,4,8,53,106,212,424
Greatest Common Factor
We found the factors 785,424 . The biggest common factor number is the GCF number.
So the greatest common factor 785,424 is 1.
Lets's calculate LCM of 257,618
Given numbers has no common factors except 1. So, there LCM is their product i.e 158826
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/158826
Therefore, the GCF of Fractions 785/257,424/618 is 1/158826
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 257,618 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(257,618) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(257,618) x common factors =1 x 1 = 1
LCM(257,618) = ( 257 × 618 ) / 1
LCM(257,618) = 158826 / 1
LCM(257,618) = 158826
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 785,424?
The HCF of 785,424 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 785/257, 424/618?
Answer: GCF of Numerators as per given numbers 785/257, 424/618 is
GCF of Numerators i.e. for 785,424 is 1
LCM of denominators i.e. for 257,618 is 158826.
Thus, GCF of Fractions is 1/158826.Finally, GCF of Fractions for 785/257, 424/618 is 1/158826.