GCF of 843/57, 717/55, 381/20
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 843/57, 717/55, 381/20 i.e 3/12540 easily. The following is the detailed procedure to determine the greatest common factor of fractions 843/57, 717/55, 381/20.
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 843/57,717/55,381/20?
Given fractions are 843/57,717/55,381/20
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 843/57,717/55,381/20, numerators are 843,717,381
Denominators are 57,55,20
The GCF of 843,717,381 is 3 .
LCM of 57,55,20 is 12540.
The greatest common factor of 843/57,717/55,381/20 = [GCF of 843,717,381]/[LCM of 57,55,20]= 3/12540
Therefore, the GCF of 843/57,717/55,381/20 is 3/12540.
To find the highest common factor of 843,717,381, we have to find the factors of both numbers and list the highest common factor.
The factors of 843 are 1, 3, 281, 843
The factors of 717 are 1, 3, 239, 717
The factors of 381 are 1, 3, 127, 381
The HCF of 843,717,381 is 3.
Lets's calculate GCF of 843,717,381
| 3 | 843, 717, 381 |
| 281, 239, 127 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 843,717,381 By Matching Biggest Common Factor Method
Now, list down the factors of 843
:1,3,281,843
Now, list down the factors of 717
:1,3,239,717
Now, list down the factors of 381
:1,3,127,381
Greatest Common Factor
We found the factors 843,717,381 . The biggest common factor number is the GCF number.
So the greatest common factor 843,717,381 is 3.
Lets's calculate LCM of 57,55,20
| 5 | 57, 55, 20 |
| 57, 11, 4 |
∴ So the LCM of the given numbers is 5 x 57 x 11 x 4 = 12540
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/12540
Therefore, the GCF of Fractions 843/57,717/55,381/20 is 3/12540
Least Common Multiple of 57,55,20 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 57,55,20 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(57,55,20) = 1
common factors(in case of two or more numbers have common factors) = 5
GCF(57,55,20) x common factors =1 x 5 = 5
LCM(57,55,20) = ( 57 × 55 × 20 ) / 5
LCM(57,55,20) = 62700 / 5
LCM(57,55,20) = 12540
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 843/57, 717/55, 381/20
1. What is the HCF of 843,717,381?
The HCF of 843,717,381 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 843/57, 717/55, 381/20?
Answer: GCF of Numerators as per given numbers 843/57, 717/55, 381/20 is
GCF of Numerators i.e. for 843,717,381 is 3
LCM of denominators i.e. for 57,55,20 is 12540.
Thus, GCF of Fractions is 3/12540.Finally, GCF of Fractions for 843/57, 717/55, 381/20 is 3/12540.