GCF of 820/135, 520/398
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 820/135, 520/398 i.e 20/53730 easily. The following is the detailed procedure to determine the greatest common factor of fractions 820/135, 520/398.
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 820/135,520/398?
Given fractions are 820/135,520/398
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 820/135,520/398, numerators are 820,520
Denominators are 135,398
The GCF of 820,520 is 20 .
LCM of 135,398 is 53730.
The greatest common factor of 820/135,520/398 = [GCF of 820,520]/[LCM of 135,398]= 20/53730
Therefore, the GCF of 820/135,520/398 is 20/53730.
To find the highest common factor of 820,520, we have to find the factors of both numbers and list the highest common factor.
The factors of 820 are 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
The factors of 520 are 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520
The HCF of 820,520 is 20.
Lets's calculate GCF of 820,520
| 2 | 820, 520 |
| 2 | 410, 260 |
| 5 | 205, 130 |
| 41, 26 |
∴ So the GCF of the given numbers is 2 x 2 x 5 = 20
Greatest Common Factor of 820,520 By Matching Biggest Common Factor Method
Now, list down the factors of 820
:1,2,4,5,10,20,41,82,164,205,410,820
Now, list down the factors of 520
:1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520
Greatest Common Factor
We found the factors 820,520 . The biggest common factor number is the GCF number.
So the greatest common factor 820,520 is 20.
Lets's calculate LCM of 135,398
Given numbers has no common factors except 1. So, there LCM is their product i.e 53730
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 20/53730
Therefore, the GCF of Fractions 820/135,520/398 is 20/53730
Least Common Multiple of 135,398 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 135,398 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(135,398) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(135,398) x common factors =1 x 1 = 1
LCM(135,398) = ( 135 × 398 ) / 1
LCM(135,398) = 53730 / 1
LCM(135,398) = 53730
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FAQs on GCF of Fractions of 820/135, 520/398
1. What is the HCF of 820,520?
The HCF of 820,520 is 20
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 820/135, 520/398?
Answer: GCF of Numerators as per given numbers 820/135, 520/398 is
GCF of Numerators i.e. for 820,520 is 20
LCM of denominators i.e. for 135,398 is 53730.
Thus, GCF of Fractions is 20/53730.Finally, GCF of Fractions for 820/135, 520/398 is 20/53730.