GCF of 808/421, 638/218
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 808/421, 638/218 i.e 2/91778 easily. The following is the detailed procedure to determine the greatest common factor of fractions 808/421, 638/218.
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 808/421,638/218?
Given fractions are 808/421,638/218
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 808/421,638/218, numerators are 808,638
Denominators are 421,218
The GCF of 808,638 is 2 .
LCM of 421,218 is 91778.
The greatest common factor of 808/421,638/218 = [GCF of 808,638]/[LCM of 421,218]= 2/91778
Therefore, the GCF of 808/421,638/218 is 2/91778.
To find the highest common factor of 808,638, we have to find the factors of both numbers and list the highest common factor.
The factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808
The factors of 638 are 1, 2, 11, 22, 29, 58, 319, 638
The HCF of 808,638 is 2.
Lets's calculate GCF of 808,638
| 2 | 808, 638 |
| 404, 319 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 808,638 By Matching Biggest Common Factor Method
Now, list down the factors of 808
:1,2,4,8,101,202,404,808
Now, list down the factors of 638
:1,2,11,22,29,58,319,638
Greatest Common Factor
We found the factors 808,638 . The biggest common factor number is the GCF number.
So the greatest common factor 808,638 is 2.
Lets's calculate LCM of 421,218
Given numbers has no common factors except 1. So, there LCM is their product i.e 91778
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/91778
Therefore, the GCF of Fractions 808/421,638/218 is 2/91778
Least Common Multiple of 421,218 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 421,218 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(421,218) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(421,218) x common factors =1 x 1 = 1
LCM(421,218) = ( 421 × 218 ) / 1
LCM(421,218) = 91778 / 1
LCM(421,218) = 91778
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FAQs on GCF of Fractions of 808/421, 638/218
1. What is the HCF of 808,638?
The HCF of 808,638 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 808/421, 638/218?
Answer: GCF of Numerators as per given numbers 808/421, 638/218 is
GCF of Numerators i.e. for 808,638 is 2
LCM of denominators i.e. for 421,218 is 91778.
Thus, GCF of Fractions is 2/91778.Finally, GCF of Fractions for 808/421, 638/218 is 2/91778.