GCF of 621/456, 711/979
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 621/456, 711/979 i.e 9/446424 easily. The following is the detailed procedure to determine the greatest common factor of fractions 621/456, 711/979.
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 621/456,711/979?
Given fractions are 621/456,711/979
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 621/456,711/979, numerators are 621,711
Denominators are 456,979
The GCF of 621,711 is 9 .
LCM of 456,979 is 446424.
The greatest common factor of 621/456,711/979 = [GCF of 621,711]/[LCM of 456,979]= 9/446424
Therefore, the GCF of 621/456,711/979 is 9/446424.
To find the highest common factor of 621,711, we have to find the factors of both numbers and list the highest common factor.
The factors of 621 are 1, 3, 9, 23, 27, 69, 207, 621
The factors of 711 are 1, 3, 9, 79, 237, 711
The HCF of 621,711 is 9.
Lets's calculate GCF of 621,711
| 3 | 621, 711 |
| 3 | 207, 237 |
| 69, 79 |
∴ So the GCF of the given numbers is 3 x 3 = 9
Greatest Common Factor of 621,711 By Matching Biggest Common Factor Method
Now, list down the factors of 621
:1,3,9,23,27,69,207,621
Now, list down the factors of 711
:1,3,9,79,237,711
Greatest Common Factor
We found the factors 621,711 . The biggest common factor number is the GCF number.
So the greatest common factor 621,711 is 9.
Lets's calculate LCM of 456,979
Given numbers has no common factors except 1. So, there LCM is their product i.e 446424
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/446424
Therefore, the GCF of Fractions 621/456,711/979 is 9/446424
Least Common Multiple of 456,979 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 456,979 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(456,979) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(456,979) x common factors =1 x 1 = 1
LCM(456,979) = ( 456 × 979 ) / 1
LCM(456,979) = 446424 / 1
LCM(456,979) = 446424
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FAQs on GCF of Fractions of 621/456, 711/979
1. What is the HCF of 621,711?
The HCF of 621,711 is 9
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 621/456, 711/979?
Answer: GCF of Numerators as per given numbers 621/456, 711/979 is
GCF of Numerators i.e. for 621,711 is 9
LCM of denominators i.e. for 456,979 is 446424.
Thus, GCF of Fractions is 9/446424.Finally, GCF of Fractions for 621/456, 711/979 is 9/446424.