Use our free GCF of Fractions Calculator tool to compute the GCF of 38/21, 663/85, 866/891 i.e 1/530145 easily. The following is the detailed procedure to determine the greatest common factor of fractions 38/21, 663/85, 866/891.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 38/21,663/85,866/891
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 38/21,663/85,866/891, numerators are 38,663,866
Denominators are 21,85,891
The GCF of 38,663,866 is 1 .
LCM of 21,85,891 is 530145.
The greatest common factor of 38/21,663/85,866/891 = [GCF of 38,663,866]/[LCM of 21,85,891]= 1/530145
Therefore, the GCF of 38/21,663/85,866/891 is 1/530145.
To find the highest common factor of 38,663,866, we have to find the factors of both numbers and list the highest common factor.
The factors of 38 are 1, 2, 19, 38
The factors of 663 are 1, 3, 13, 17, 39, 51, 221, 663
The factors of 866 are 1, 2, 433, 866
The HCF of 38,663,866 is 1.
Lets's calculate GCF of 38,663,866
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 38
:1,2,19,38
Now, list down the factors of 663
:1,3,13,17,39,51,221,663
Now, list down the factors of 866
:1,2,433,866
Greatest Common Factor
We found the factors 38,663,866 . The biggest common factor number is the GCF number.
So the greatest common factor 38,663,866 is 1.
Lets's calculate LCM of 21,85,891
3 | 21, 85, 891 |
7, 85, 297 |
∴ So the LCM of the given numbers is 3 x 7 x 85 x 297 = 530145
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/530145
Therefore, the GCF of Fractions 38/21,663/85,866/891 is 1/530145
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 21,85,891 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(21,85,891) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(21,85,891) x common factors =1 x 3 = 3
LCM(21,85,891) = ( 21 × 85 × 891 ) / 3
LCM(21,85,891) = 1590435 / 3
LCM(21,85,891) = 530145
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 38,663,866?
The HCF of 38,663,866 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 38/21, 663/85, 866/891?
Answer: GCF of Numerators as per given numbers 38/21, 663/85, 866/891 is
GCF of Numerators i.e. for 38,663,866 is 1
LCM of denominators i.e. for 21,85,891 is 530145.
Thus, GCF of Fractions is 1/530145.Finally, GCF of Fractions for 38/21, 663/85, 866/891 is 1/530145.