GCF of 209/772, 389/816
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 209/772, 389/816 i.e 1/157488 easily. The following is the detailed procedure to determine the greatest common factor of fractions 209/772, 389/816.
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 209/772,389/816?
Given fractions are 209/772,389/816
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 209/772,389/816, numerators are 209,389
Denominators are 772,816
The GCF of 209,389 is 1 .
LCM of 772,816 is 157488.
The greatest common factor of 209/772,389/816 = [GCF of 209,389]/[LCM of 772,816]= 1/157488
Therefore, the GCF of 209/772,389/816 is 1/157488.
To find the highest common factor of 209,389, we have to find the factors of both numbers and list the highest common factor.
The factors of 209 are 1, 11, 19, 209
The factors of 389 are 1, 389
The HCF of 209,389 is 1.
Lets's calculate GCF of 209,389
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 209,389 By Matching Biggest Common Factor Method
Now, list down the factors of 209
:1,11,19,209
Now, list down the factors of 389
:1,389
Greatest Common Factor
We found the factors 209,389 . The biggest common factor number is the GCF number.
So the greatest common factor 209,389 is 1.
Lets's calculate LCM of 772,816
| 2 | 772, 816 |
| 2 | 386, 408 |
| 193, 204 |
∴ So the LCM of the given numbers is 2 x 2 x 193 x 204 = 157488
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/157488
Therefore, the GCF of Fractions 209/772,389/816 is 1/157488
Least Common Multiple of 772,816 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 772,816 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(772,816) = 4
common factors(in case of two or more numbers have common factors) = 1
GCF(772,816) x common factors =4 x 1 = 4
LCM(772,816) = ( 772 × 816 ) / 4
LCM(772,816) = 629952 / 4
LCM(772,816) = 157488
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FAQs on GCF of Fractions of 209/772, 389/816
1. What is the HCF of 209,389?
The HCF of 209,389 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 209/772, 389/816?
Answer: GCF of Numerators as per given numbers 209/772, 389/816 is
GCF of Numerators i.e. for 209,389 is 1
LCM of denominators i.e. for 772,816 is 157488.
Thus, GCF of Fractions is 1/157488.Finally, GCF of Fractions for 209/772, 389/816 is 1/157488.