GCF of 399/641, 1953/422
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 399/641, 1953/422 i.e 21/270502 easily. The following is the detailed procedure to determine the greatest common factor of fractions 399/641, 1953/422.
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 399/641,1953/422?
Given fractions are 399/641,1953/422
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 399/641,1953/422, numerators are 399,1953
Denominators are 641,422
The GCF of 399,1953 is 21 .
LCM of 641,422 is 270502.
The greatest common factor of 399/641,1953/422 = [GCF of 399,1953]/[LCM of 641,422]= 21/270502
Therefore, the GCF of 399/641,1953/422 is 21/270502.
To find the highest common factor of 399,1953, we have to find the factors of both numbers and list the highest common factor.
The factors of 399 are 1, 3, 7, 19, 21, 57, 133, 399
The factors of 1953 are 1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953
The HCF of 399,1953 is 21.
Lets's calculate GCF of 399,1953
| 3 | 399, 1953 |
| 7 | 133, 651 |
| 19, 93 |
∴ So the GCF of the given numbers is 3 x 7 = 21
Greatest Common Factor of 399,1953 By Matching Biggest Common Factor Method
Now, list down the factors of 399
:1,3,7,19,21,57,133,399
Now, list down the factors of 1953
:1,3,7,9,21,31,63,93,217,279,651,1953
Greatest Common Factor
We found the factors 399,1953 . The biggest common factor number is the GCF number.
So the greatest common factor 399,1953 is 21.
Lets's calculate LCM of 641,422
Given numbers has no common factors except 1. So, there LCM is their product i.e 270502
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 21/270502
Therefore, the GCF of Fractions 399/641,1953/422 is 21/270502
Least Common Multiple of 641,422 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 641,422 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(641,422) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(641,422) x common factors =1 x 1 = 1
LCM(641,422) = ( 641 × 422 ) / 1
LCM(641,422) = 270502 / 1
LCM(641,422) = 270502
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 399/641, 1953/422
1. What is the HCF of 399,1953?
The HCF of 399,1953 is 21
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 399/641, 1953/422?
Answer: GCF of Numerators as per given numbers 399/641, 1953/422 is
GCF of Numerators i.e. for 399,1953 is 21
LCM of denominators i.e. for 641,422 is 270502.
Thus, GCF of Fractions is 21/270502.Finally, GCF of Fractions for 399/641, 1953/422 is 21/270502.