GCF of 406/117, 780/355
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 406/117, 780/355 i.e 2/41535 easily. The following is the detailed procedure to determine the greatest common factor of fractions 406/117, 780/355.
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 406/117,780/355?
Given fractions are 406/117,780/355
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 406/117,780/355, numerators are 406,780
Denominators are 117,355
The GCF of 406,780 is 2 .
LCM of 117,355 is 41535.
The greatest common factor of 406/117,780/355 = [GCF of 406,780]/[LCM of 117,355]= 2/41535
Therefore, the GCF of 406/117,780/355 is 2/41535.
To find the highest common factor of 406,780, we have to find the factors of both numbers and list the highest common factor.
The factors of 406 are 1, 2, 7, 14, 29, 58, 203, 406
The factors of 780 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
The HCF of 406,780 is 2.
Lets's calculate GCF of 406,780
| 2 | 406, 780 |
| 203, 390 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 406,780 By Matching Biggest Common Factor Method
Now, list down the factors of 406
:1,2,7,14,29,58,203,406
Now, list down the factors of 780
:1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780
Greatest Common Factor
We found the factors 406,780 . The biggest common factor number is the GCF number.
So the greatest common factor 406,780 is 2.
Lets's calculate LCM of 117,355
Given numbers has no common factors except 1. So, there LCM is their product i.e 41535
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/41535
Therefore, the GCF of Fractions 406/117,780/355 is 2/41535
Least Common Multiple of 117,355 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 117,355 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(117,355) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(117,355) x common factors =1 x 1 = 1
LCM(117,355) = ( 117 × 355 ) / 1
LCM(117,355) = 41535 / 1
LCM(117,355) = 41535
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FAQs on GCF of Fractions of 406/117, 780/355
1. What is the HCF of 406,780?
The HCF of 406,780 is 2
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 406/117, 780/355?
Answer: GCF of Numerators as per given numbers 406/117, 780/355 is
GCF of Numerators i.e. for 406,780 is 2
LCM of denominators i.e. for 117,355 is 41535.
Thus, GCF of Fractions is 2/41535.Finally, GCF of Fractions for 406/117, 780/355 is 2/41535.