GCF of 72/931, 71/428, 427/357
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 72/931, 71/428, 427/357 i.e 1/20321868 easily. The following is the detailed procedure to determine the greatest common factor of fractions 72/931, 71/428, 427/357.
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 72/931,71/428,427/357?
Given fractions are 72/931,71/428,427/357
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 72/931,71/428,427/357, numerators are 72,71,427
Denominators are 931,428,357
The GCF of 72,71,427 is 1 .
LCM of 931,428,357 is 20321868.
The greatest common factor of 72/931,71/428,427/357 = [GCF of 72,71,427]/[LCM of 931,428,357]= 1/20321868
Therefore, the GCF of 72/931,71/428,427/357 is 1/20321868.
To find the highest common factor of 72,71,427, we have to find the factors of both numbers and list the highest common factor.
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
The factors of 71 are 1, 71
The factors of 427 are 1, 7, 61, 427
The HCF of 72,71,427 is 1.
Lets's calculate GCF of 72,71,427
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 72,71,427 By Matching Biggest Common Factor Method
Now, list down the factors of 72
:1,2,3,4,6,8,9,12,18,24,36,72
Now, list down the factors of 71
:1,71
Now, list down the factors of 427
:1,7,61,427
Greatest Common Factor
We found the factors 72,71,427 . The biggest common factor number is the GCF number.
So the greatest common factor 72,71,427 is 1.
Lets's calculate LCM of 931,428,357
| 7 | 931, 428, 357 |
| 133, 428, 51 |
∴ So the LCM of the given numbers is 7 x 133 x 428 x 51 = 20321868
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/20321868
Therefore, the GCF of Fractions 72/931,71/428,427/357 is 1/20321868
Least Common Multiple of 931,428,357 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 931,428,357 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(931,428,357) = 1
common factors(in case of two or more numbers have common factors) = 7
GCF(931,428,357) x common factors =1 x 7 = 7
LCM(931,428,357) = ( 931 × 428 × 357 ) / 7
LCM(931,428,357) = 142253076 / 7
LCM(931,428,357) = 20321868
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FAQs on GCF of Fractions of 72/931, 71/428, 427/357
1. What is the HCF of 72,71,427?
The HCF of 72,71,427 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 72/931, 71/428, 427/357?
Answer: GCF of Numerators as per given numbers 72/931, 71/428, 427/357 is
GCF of Numerators i.e. for 72,71,427 is 1
LCM of denominators i.e. for 931,428,357 is 20321868.
Thus, GCF of Fractions is 1/20321868.Finally, GCF of Fractions for 72/931, 71/428, 427/357 is 1/20321868.