GCF of 404/763, 639/420
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 404/763, 639/420 i.e 1/45780 easily. The following is the detailed procedure to determine the greatest common factor of fractions 404/763, 639/420.
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 404/763,639/420?
Given fractions are 404/763,639/420
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 404/763,639/420, numerators are 404,639
Denominators are 763,420
The GCF of 404,639 is 1 .
LCM of 763,420 is 45780.
The greatest common factor of 404/763,639/420 = [GCF of 404,639]/[LCM of 763,420]= 1/45780
Therefore, the GCF of 404/763,639/420 is 1/45780.
To find the highest common factor of 404,639, we have to find the factors of both numbers and list the highest common factor.
The factors of 404 are 1, 2, 4, 101, 202, 404
The factors of 639 are 1, 3, 9, 71, 213, 639
The HCF of 404,639 is 1.
Lets's calculate GCF of 404,639
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 404,639 By Matching Biggest Common Factor Method
Now, list down the factors of 404
:1,2,4,101,202,404
Now, list down the factors of 639
:1,3,9,71,213,639
Greatest Common Factor
We found the factors 404,639 . The biggest common factor number is the GCF number.
So the greatest common factor 404,639 is 1.
Lets's calculate LCM of 763,420
| 7 | 763, 420 |
| 109, 60 |
∴ So the LCM of the given numbers is 7 x 109 x 60 = 45780
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/45780
Therefore, the GCF of Fractions 404/763,639/420 is 1/45780
Least Common Multiple of 763,420 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 763,420 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(763,420) = 7
common factors(in case of two or more numbers have common factors) = 1
GCF(763,420) x common factors =7 x 1 = 7
LCM(763,420) = ( 763 × 420 ) / 7
LCM(763,420) = 320460 / 7
LCM(763,420) = 45780
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FAQs on GCF of Fractions of 404/763, 639/420
1. What is the HCF of 404,639?
The HCF of 404,639 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 404/763, 639/420?
Answer: GCF of Numerators as per given numbers 404/763, 639/420 is
GCF of Numerators i.e. for 404,639 is 1
LCM of denominators i.e. for 763,420 is 45780.
Thus, GCF of Fractions is 1/45780.Finally, GCF of Fractions for 404/763, 639/420 is 1/45780.