GCF of 97/57, 756/90, 309/861
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 97/57, 756/90, 309/861 i.e 1/490770 easily. The following is the detailed procedure to determine the greatest common factor of fractions 97/57, 756/90, 309/861.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 97/57,756/90,309/861?
Given fractions are 97/57,756/90,309/861
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 97/57,756/90,309/861, numerators are 97,756,309
Denominators are 57,90,861
The GCF of 97,756,309 is 1 .
LCM of 57,90,861 is 490770.
The greatest common factor of 97/57,756/90,309/861 = [GCF of 97,756,309]/[LCM of 57,90,861]= 1/490770
Therefore, the GCF of 97/57,756/90,309/861 is 1/490770.
To find the highest common factor of 97,756,309, we have to find the factors of both numbers and list the highest common factor.
The factors of 97 are 1, 97
The factors of 756 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
The factors of 309 are 1, 3, 103, 309
The HCF of 97,756,309 is 1.
Lets's calculate GCF of 97,756,309
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 97,756,309 By Matching Biggest Common Factor Method
Now, list down the factors of 97
:1,97
Now, list down the factors of 756
:1,2,3,4,6,7,9,12,14,18,21,27,28,36,42,54,63,84,108,126,189,252,378,756
Now, list down the factors of 309
:1,3,103,309
Greatest Common Factor
We found the factors 97,756,309 . The biggest common factor number is the GCF number.
So the greatest common factor 97,756,309 is 1.
Lets's calculate LCM of 57,90,861
| 3 | 57, 90, 861 |
| 19, 30, 287 |
∴ So the LCM of the given numbers is 3 x 19 x 30 x 287 = 490770
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/490770
Therefore, the GCF of Fractions 97/57,756/90,309/861 is 1/490770
Least Common Multiple of 57,90,861 with GCF Formula
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 57,90,861 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(57,90,861) = 3
common factors(in case of two or more numbers have common factors) = 3
GCF(57,90,861) x common factors =3 x 3 = 9
LCM(57,90,861) = ( 57 × 90 × 861 ) / 9
LCM(57,90,861) = 4416930 / 9
LCM(57,90,861) = 490770
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FAQs on GCF of Fractions of 97/57, 756/90, 309/861
1. What is the HCF of 97,756,309?
The HCF of 97,756,309 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 97/57, 756/90, 309/861?
Answer: GCF of Numerators as per given numbers 97/57, 756/90, 309/861 is
GCF of Numerators i.e. for 97,756,309 is 1
LCM of denominators i.e. for 57,90,861 is 490770.
Thus, GCF of Fractions is 1/490770.Finally, GCF of Fractions for 97/57, 756/90, 309/861 is 1/490770.