GCF of 231/85, 728/897
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 231/85, 728/897 i.e 7/76245 easily. The following is the detailed procedure to determine the greatest common factor of fractions 231/85, 728/897.
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 231/85,728/897?
Given fractions are 231/85,728/897
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 231/85,728/897, numerators are 231,728
Denominators are 85,897
The GCF of 231,728 is 7 .
LCM of 85,897 is 76245.
The greatest common factor of 231/85,728/897 = [GCF of 231,728]/[LCM of 85,897]= 7/76245
Therefore, the GCF of 231/85,728/897 is 7/76245.
To find the highest common factor of 231,728, we have to find the factors of both numbers and list the highest common factor.
The factors of 231 are 1, 3, 7, 11, 21, 33, 77, 231
The factors of 728 are 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
The HCF of 231,728 is 7.
Lets's calculate GCF of 231,728
| 7 | 231, 728 |
| 33, 104 |
∴ So the GCF of the given numbers is 7 = 7
Greatest Common Factor of 231,728 By Matching Biggest Common Factor Method
Now, list down the factors of 231
:1,3,7,11,21,33,77,231
Now, list down the factors of 728
:1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728
Greatest Common Factor
We found the factors 231,728 . The biggest common factor number is the GCF number.
So the greatest common factor 231,728 is 7.
Lets's calculate LCM of 85,897
Given numbers has no common factors except 1. So, there LCM is their product i.e 76245
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/76245
Therefore, the GCF of Fractions 231/85,728/897 is 7/76245
Least Common Multiple of 85,897 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 85,897 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(85,897) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(85,897) x common factors =1 x 1 = 1
LCM(85,897) = ( 85 × 897 ) / 1
LCM(85,897) = 76245 / 1
LCM(85,897) = 76245
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FAQs on GCF of Fractions of 231/85, 728/897
1. What is the HCF of 231,728?
The HCF of 231,728 is 7
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 231/85, 728/897?
Answer: GCF of Numerators as per given numbers 231/85, 728/897 is
GCF of Numerators i.e. for 231,728 is 7
LCM of denominators i.e. for 85,897 is 76245.
Thus, GCF of Fractions is 7/76245.Finally, GCF of Fractions for 231/85, 728/897 is 7/76245.