GCF of 122/81, 390/419
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 122/81, 390/419 i.e 2/33939 easily. The following is the detailed procedure to determine the greatest common factor of fractions 122/81, 390/419.
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 122/81,390/419?
Given fractions are 122/81,390/419
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 122/81,390/419, numerators are 122,390
Denominators are 81,419
The GCF of 122,390 is 2 .
LCM of 81,419 is 33939.
The greatest common factor of 122/81,390/419 = [GCF of 122,390]/[LCM of 81,419]= 2/33939
Therefore, the GCF of 122/81,390/419 is 2/33939.
To find the highest common factor of 122,390, we have to find the factors of both numbers and list the highest common factor.
The factors of 122 are 1, 2, 61, 122
The factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
The HCF of 122,390 is 2.
Lets's calculate GCF of 122,390
| 2 | 122, 390 |
| 61, 195 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 122,390 By Matching Biggest Common Factor Method
Now, list down the factors of 122
:1,2,61,122
Now, list down the factors of 390
:1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390
Greatest Common Factor
We found the factors 122,390 . The biggest common factor number is the GCF number.
So the greatest common factor 122,390 is 2.
Lets's calculate LCM of 81,419
Given numbers has no common factors except 1. So, there LCM is their product i.e 33939
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/33939
Therefore, the GCF of Fractions 122/81,390/419 is 2/33939
Least Common Multiple of 81,419 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 81,419 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(81,419) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(81,419) x common factors =1 x 1 = 1
LCM(81,419) = ( 81 × 419 ) / 1
LCM(81,419) = 33939 / 1
LCM(81,419) = 33939
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FAQs on GCF of Fractions of 122/81, 390/419
1. What is the HCF of 122,390?
The HCF of 122,390 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 122/81, 390/419?
Answer: GCF of Numerators as per given numbers 122/81, 390/419 is
GCF of Numerators i.e. for 122,390 is 2
LCM of denominators i.e. for 81,419 is 33939.
Thus, GCF of Fractions is 2/33939.Finally, GCF of Fractions for 122/81, 390/419 is 2/33939.