Use our free GCF of Fractions Calculator tool to compute the GCF of 669/423, 210/615 i.e 3/86715 easily. The following is the detailed procedure to determine the greatest common factor of fractions 669/423, 210/615.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 669/423,210/615
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 669/423,210/615, numerators are 669,210
Denominators are 423,615
The GCF of 669,210 is 3 .
LCM of 423,615 is 86715.
The greatest common factor of 669/423,210/615 = [GCF of 669,210]/[LCM of 423,615]= 3/86715
Therefore, the GCF of 669/423,210/615 is 3/86715.
To find the highest common factor of 669,210, we have to find the factors of both numbers and list the highest common factor.
The factors of 669 are 1, 3, 223, 669
The factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
The HCF of 669,210 is 3.
Lets's calculate GCF of 669,210
3 | 669, 210 |
223, 70 |
∴ So the GCF of the given numbers is 3 = 3
Now, list down the factors of 669
:1,3,223,669
Now, list down the factors of 210
:1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210
Greatest Common Factor
We found the factors 669,210 . The biggest common factor number is the GCF number.
So the greatest common factor 669,210 is 3.
Lets's calculate LCM of 423,615
3 | 423, 615 |
141, 205 |
∴ So the LCM of the given numbers is 3 x 141 x 205 = 86715
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/86715
Therefore, the GCF of Fractions 669/423,210/615 is 3/86715
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 423,615 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(423,615) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(423,615) x common factors =3 x 1 = 3
LCM(423,615) = ( 423 × 615 ) / 3
LCM(423,615) = 260145 / 3
LCM(423,615) = 86715
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 669,210?
The HCF of 669,210 is 3
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 669/423, 210/615?
Answer: GCF of Numerators as per given numbers 669/423, 210/615 is
GCF of Numerators i.e. for 669,210 is 3
LCM of denominators i.e. for 423,615 is 86715.
Thus, GCF of Fractions is 3/86715.Finally, GCF of Fractions for 669/423, 210/615 is 3/86715.