GCF of 12/978, 84/826, 821/834
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 12/978, 84/826, 821/834 i.e 1/56144046 easily. The following is the detailed procedure to determine the greatest common factor of fractions 12/978, 84/826, 821/834.
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 12/978,84/826,821/834?
Given fractions are 12/978,84/826,821/834
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 12/978,84/826,821/834, numerators are 12,84,821
Denominators are 978,826,834
The GCF of 12,84,821 is 1 .
LCM of 978,826,834 is 56144046.
The greatest common factor of 12/978,84/826,821/834 = [GCF of 12,84,821]/[LCM of 978,826,834]= 1/56144046
Therefore, the GCF of 12/978,84/826,821/834 is 1/56144046.
To find the highest common factor of 12,84,821, we have to find the factors of both numbers and list the highest common factor.
The factors of 12 are 1, 2, 3, 4, 6, 12
The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The factors of 821 are 1, 821
The HCF of 12,84,821 is 1.
Lets's calculate GCF of 12,84,821
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 12,84,821 By Matching Biggest Common Factor Method
Now, list down the factors of 12
:1,2,3,4,6,12
Now, list down the factors of 84
:1,2,3,4,6,7,12,14,21,28,42,84
Now, list down the factors of 821
:1,821
Greatest Common Factor
We found the factors 12,84,821 . The biggest common factor number is the GCF number.
So the greatest common factor 12,84,821 is 1.
Lets's calculate LCM of 978,826,834
| 2 | 978, 826, 834 |
| 3 | 489, 413, 417 |
| 163, 413, 139 |
∴ So the LCM of the given numbers is 2 x 3 x 163 x 413 x 139 = 56144046
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/56144046
Therefore, the GCF of Fractions 12/978,84/826,821/834 is 1/56144046
Least Common Multiple of 978,826,834 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 978,826,834 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(978,826,834) = 2
common factors(in case of two or more numbers have common factors) = 6
GCF(978,826,834) x common factors =2 x 6 = 12
LCM(978,826,834) = ( 978 × 826 × 834 ) / 12
LCM(978,826,834) = 673728552 / 12
LCM(978,826,834) = 56144046
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 12/978, 84/826, 821/834
1. What is the HCF of 12,84,821?
The HCF of 12,84,821 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 12/978, 84/826, 821/834?
Answer: GCF of Numerators as per given numbers 12/978, 84/826, 821/834 is
GCF of Numerators i.e. for 12,84,821 is 1
LCM of denominators i.e. for 978,826,834 is 56144046.
Thus, GCF of Fractions is 1/56144046.Finally, GCF of Fractions for 12/978, 84/826, 821/834 is 1/56144046.