GCF of 87/612, 12/794, 812/668
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 87/612, 12/794, 812/668 i.e 1/40574988 easily. The following is the detailed procedure to determine the greatest common factor of fractions 87/612, 12/794, 812/668.
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 87/612,12/794,812/668?
Given fractions are 87/612,12/794,812/668
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 87/612,12/794,812/668, numerators are 87,12,812
Denominators are 612,794,668
The GCF of 87,12,812 is 1 .
LCM of 612,794,668 is 40574988.
The greatest common factor of 87/612,12/794,812/668 = [GCF of 87,12,812]/[LCM of 612,794,668]= 1/40574988
Therefore, the GCF of 87/612,12/794,812/668 is 1/40574988.
To find the highest common factor of 87,12,812, we have to find the factors of both numbers and list the highest common factor.
The factors of 87 are 1, 3, 29, 87
The factors of 12 are 1, 2, 3, 4, 6, 12
The factors of 812 are 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812
The HCF of 87,12,812 is 1.
Lets's calculate GCF of 87,12,812
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 87,12,812 By Matching Biggest Common Factor Method
Now, list down the factors of 87
:1,3,29,87
Now, list down the factors of 12
:1,2,3,4,6,12
Now, list down the factors of 812
:1,2,4,7,14,28,29,58,116,203,406,812
Greatest Common Factor
We found the factors 87,12,812 . The biggest common factor number is the GCF number.
So the greatest common factor 87,12,812 is 1.
Lets's calculate LCM of 612,794,668
| 2 | 612, 794, 668 |
| 2 | 306, 397, 334 |
| 153, 397, 167 |
∴ So the LCM of the given numbers is 2 x 2 x 153 x 397 x 167 = 40574988
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/40574988
Therefore, the GCF of Fractions 87/612,12/794,812/668 is 1/40574988
Least Common Multiple of 612,794,668 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 612,794,668 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(612,794,668) = 2
common factors(in case of two or more numbers have common factors) = 4
GCF(612,794,668) x common factors =2 x 4 = 8
LCM(612,794,668) = ( 612 × 794 × 668 ) / 8
LCM(612,794,668) = 324599904 / 8
LCM(612,794,668) = 40574988
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FAQs on GCF of Fractions of 87/612, 12/794, 812/668
1. What is the HCF of 87,12,812?
The HCF of 87,12,812 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 87/612, 12/794, 812/668?
Answer: GCF of Numerators as per given numbers 87/612, 12/794, 812/668 is
GCF of Numerators i.e. for 87,12,812 is 1
LCM of denominators i.e. for 612,794,668 is 40574988.
Thus, GCF of Fractions is 1/40574988.Finally, GCF of Fractions for 87/612, 12/794, 812/668 is 1/40574988.