Use our free GCF of Fractions Calculator tool to compute the GCF of 672/217, 6945/672 i.e 3/20832 easily. The following is the detailed procedure to determine the greatest common factor of fractions 672/217, 6945/672.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 672/217,6945/672
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 672/217,6945/672, numerators are 672,6945
Denominators are 217,672
The GCF of 672,6945 is 3 .
LCM of 217,672 is 20832.
The greatest common factor of 672/217,6945/672 = [GCF of 672,6945]/[LCM of 217,672]= 3/20832
Therefore, the GCF of 672/217,6945/672 is 3/20832.
To find the highest common factor of 672,6945, we have to find the factors of both numbers and list the highest common factor.
The factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672
The factors of 6945 are 1, 3, 5, 15, 463, 1389, 2315, 6945
The HCF of 672,6945 is 3.
Lets's calculate GCF of 672,6945
3 | 672, 6945 |
224, 2315 |
∴ So the GCF of the given numbers is 3 = 3
Now, list down the factors of 672
:1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672
Now, list down the factors of 6945
:1,3,5,15,463,1389,2315,6945
Greatest Common Factor
We found the factors 672,6945 . The biggest common factor number is the GCF number.
So the greatest common factor 672,6945 is 3.
Lets's calculate LCM of 217,672
7 | 217, 672 |
31, 96 |
∴ So the LCM of the given numbers is 7 x 31 x 96 = 20832
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/20832
Therefore, the GCF of Fractions 672/217,6945/672 is 3/20832
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 217,672 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(217,672) = 7
common factors(in case of two or more numbers have common factors) = 1
GCF(217,672) x common factors =7 x 1 = 7
LCM(217,672) = ( 217 × 672 ) / 7
LCM(217,672) = 145824 / 7
LCM(217,672) = 20832
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 672,6945?
The HCF of 672,6945 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 672/217, 6945/672?
Answer: GCF of Numerators as per given numbers 672/217, 6945/672 is
GCF of Numerators i.e. for 672,6945 is 3
LCM of denominators i.e. for 217,672 is 20832.
Thus, GCF of Fractions is 3/20832.Finally, GCF of Fractions for 672/217, 6945/672 is 3/20832.