GCF of 86/99, 645/12, 931/245
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 86/99, 645/12, 931/245 i.e 1/97020 easily. The following is the detailed procedure to determine the greatest common factor of fractions 86/99, 645/12, 931/245.
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 86/99,645/12,931/245?
Given fractions are 86/99,645/12,931/245
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 86/99,645/12,931/245, numerators are 86,645,931
Denominators are 99,12,245
The GCF of 86,645,931 is 1 .
LCM of 99,12,245 is 97020.
The greatest common factor of 86/99,645/12,931/245 = [GCF of 86,645,931]/[LCM of 99,12,245]= 1/97020
Therefore, the GCF of 86/99,645/12,931/245 is 1/97020.
To find the highest common factor of 86,645,931, we have to find the factors of both numbers and list the highest common factor.
The factors of 86 are 1, 2, 43, 86
The factors of 645 are 1, 3, 5, 15, 43, 129, 215, 645
The factors of 931 are 1, 7, 19, 49, 133, 931
The HCF of 86,645,931 is 1.
Lets's calculate GCF of 86,645,931
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 86,645,931 By Matching Biggest Common Factor Method
Now, list down the factors of 86
:1,2,43,86
Now, list down the factors of 645
:1,3,5,15,43,129,215,645
Now, list down the factors of 931
:1,7,19,49,133,931
Greatest Common Factor
We found the factors 86,645,931 . The biggest common factor number is the GCF number.
So the greatest common factor 86,645,931 is 1.
Lets's calculate LCM of 99,12,245
| 3 | 99, 12, 245 |
| 33, 4, 245 |
∴ So the LCM of the given numbers is 3 x 33 x 4 x 245 = 97020
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/97020
Therefore, the GCF of Fractions 86/99,645/12,931/245 is 1/97020
Least Common Multiple of 99,12,245 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 99,12,245 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(99,12,245) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(99,12,245) x common factors =1 x 3 = 3
LCM(99,12,245) = ( 99 × 12 × 245 ) / 3
LCM(99,12,245) = 291060 / 3
LCM(99,12,245) = 97020
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 86/99, 645/12, 931/245
1. What is the HCF of 86,645,931?
The HCF of 86,645,931 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 86/99, 645/12, 931/245?
Answer: GCF of Numerators as per given numbers 86/99, 645/12, 931/245 is
GCF of Numerators i.e. for 86,645,931 is 1
LCM of denominators i.e. for 99,12,245 is 97020.
Thus, GCF of Fractions is 1/97020.Finally, GCF of Fractions for 86/99, 645/12, 931/245 is 1/97020.