Use our free GCF of Fractions Calculator tool to compute the GCF of 381/448, 668/394 i.e 1/88256 easily. The following is the detailed procedure to determine the greatest common factor of fractions 381/448, 668/394.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 381/448,668/394
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 381/448,668/394, numerators are 381,668
Denominators are 448,394
The GCF of 381,668 is 1 .
LCM of 448,394 is 88256.
The greatest common factor of 381/448,668/394 = [GCF of 381,668]/[LCM of 448,394]= 1/88256
Therefore, the GCF of 381/448,668/394 is 1/88256.
To find the highest common factor of 381,668, we have to find the factors of both numbers and list the highest common factor.
The factors of 381 are 1, 3, 127, 381
The factors of 668 are 1, 2, 4, 167, 334, 668
The HCF of 381,668 is 1.
Lets's calculate GCF of 381,668
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 381
:1,3,127,381
Now, list down the factors of 668
:1,2,4,167,334,668
Greatest Common Factor
We found the factors 381,668 . The biggest common factor number is the GCF number.
So the greatest common factor 381,668 is 1.
Lets's calculate LCM of 448,394
2 | 448, 394 |
224, 197 |
∴ So the LCM of the given numbers is 2 x 224 x 197 = 88256
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/88256
Therefore, the GCF of Fractions 381/448,668/394 is 1/88256
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 448,394 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(448,394) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(448,394) x common factors =2 x 1 = 2
LCM(448,394) = ( 448 × 394 ) / 2
LCM(448,394) = 176512 / 2
LCM(448,394) = 88256
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 381,668?
The HCF of 381,668 is 1
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 381/448, 668/394?
Answer: GCF of Numerators as per given numbers 381/448, 668/394 is
GCF of Numerators i.e. for 381,668 is 1
LCM of denominators i.e. for 448,394 is 88256.
Thus, GCF of Fractions is 1/88256.Finally, GCF of Fractions for 381/448, 668/394 is 1/88256.