Use our free GCF of Fractions Calculator tool to compute the GCF of 868/490, 3885/8218 i.e 7/287630 easily. The following is the detailed procedure to determine the greatest common factor of fractions 868/490, 3885/8218.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 868/490,3885/8218
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 868/490,3885/8218, numerators are 868,3885
Denominators are 490,8218
The GCF of 868,3885 is 7 .
LCM of 490,8218 is 287630.
The greatest common factor of 868/490,3885/8218 = [GCF of 868,3885]/[LCM of 490,8218]= 7/287630
Therefore, the GCF of 868/490,3885/8218 is 7/287630.
To find the highest common factor of 868,3885, we have to find the factors of both numbers and list the highest common factor.
The factors of 868 are 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868
The factors of 3885 are 1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885
The HCF of 868,3885 is 7.
Lets's calculate GCF of 868,3885
7 | 868, 3885 |
124, 555 |
∴ So the GCF of the given numbers is 7 = 7
Now, list down the factors of 868
:1,2,4,7,14,28,31,62,124,217,434,868
Now, list down the factors of 3885
:1,3,5,7,15,21,35,37,105,111,185,259,555,777,1295,3885
Greatest Common Factor
We found the factors 868,3885 . The biggest common factor number is the GCF number.
So the greatest common factor 868,3885 is 7.
Lets's calculate LCM of 490,8218
2 | 490, 8218 |
7 | 245, 4109 |
35, 587 |
∴ So the LCM of the given numbers is 2 x 7 x 35 x 587 = 287630
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/287630
Therefore, the GCF of Fractions 868/490,3885/8218 is 7/287630
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 490,8218 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(490,8218) = 14
common factors(in case of two or more numbers have common factors) = 1
GCF(490,8218) x common factors =14 x 1 = 14
LCM(490,8218) = ( 490 × 8218 ) / 14
LCM(490,8218) = 4026820 / 14
LCM(490,8218) = 287630
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 868,3885?
The HCF of 868,3885 is 7
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 868/490, 3885/8218?
Answer: GCF of Numerators as per given numbers 868/490, 3885/8218 is
GCF of Numerators i.e. for 868,3885 is 7
LCM of denominators i.e. for 490,8218 is 287630.
Thus, GCF of Fractions is 7/287630.Finally, GCF of Fractions for 868/490, 3885/8218 is 7/287630.