GCF of 812/970, 392/764
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 812/970, 392/764 i.e 28/370540 easily. The following is the detailed procedure to determine the greatest common factor of fractions 812/970, 392/764.
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 812/970,392/764?
Given fractions are 812/970,392/764
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 812/970,392/764, numerators are 812,392
Denominators are 970,764
The GCF of 812,392 is 28 .
LCM of 970,764 is 370540.
The greatest common factor of 812/970,392/764 = [GCF of 812,392]/[LCM of 970,764]= 28/370540
Therefore, the GCF of 812/970,392/764 is 28/370540.
To find the highest common factor of 812,392, we have to find the factors of both numbers and list the highest common factor.
The factors of 812 are 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812
The factors of 392 are 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
The HCF of 812,392 is 28.
Lets's calculate GCF of 812,392
| 2 | 812, 392 |
| 2 | 406, 196 |
| 7 | 203, 98 |
| 29, 14 |
∴ So the GCF of the given numbers is 2 x 2 x 7 = 28
Greatest Common Factor of 812,392 By Matching Biggest Common Factor Method
Now, list down the factors of 812
:1,2,4,7,14,28,29,58,116,203,406,812
Now, list down the factors of 392
:1,2,4,7,8,14,28,49,56,98,196,392
Greatest Common Factor
We found the factors 812,392 . The biggest common factor number is the GCF number.
So the greatest common factor 812,392 is 28.
Lets's calculate LCM of 970,764
| 2 | 970, 764 |
| 485, 382 |
∴ So the LCM of the given numbers is 2 x 485 x 382 = 370540
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 28/370540
Therefore, the GCF of Fractions 812/970,392/764 is 28/370540
Least Common Multiple of 970,764 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 970,764 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(970,764) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(970,764) x common factors =2 x 1 = 2
LCM(970,764) = ( 970 × 764 ) / 2
LCM(970,764) = 741080 / 2
LCM(970,764) = 370540
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FAQs on GCF of Fractions of 812/970, 392/764
1. What is the HCF of 812,392?
The HCF of 812,392 is 28
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 812/970, 392/764?
Answer: GCF of Numerators as per given numbers 812/970, 392/764 is
GCF of Numerators i.e. for 812,392 is 28
LCM of denominators i.e. for 970,764 is 370540.
Thus, GCF of Fractions is 28/370540.Finally, GCF of Fractions for 812/970, 392/764 is 28/370540.