GCF of 828/90, 420/2566
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 828/90, 420/2566 i.e 12/115470 easily. The following is the detailed procedure to determine the greatest common factor of fractions 828/90, 420/2566.
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 828/90,420/2566?
Given fractions are 828/90,420/2566
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 828/90,420/2566, numerators are 828,420
Denominators are 90,2566
The GCF of 828,420 is 12 .
LCM of 90,2566 is 115470.
The greatest common factor of 828/90,420/2566 = [GCF of 828,420]/[LCM of 90,2566]= 12/115470
Therefore, the GCF of 828/90,420/2566 is 12/115470.
To find the highest common factor of 828,420, we have to find the factors of both numbers and list the highest common factor.
The factors of 828 are 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828
The factors of 420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
The HCF of 828,420 is 12.
Lets's calculate GCF of 828,420
| 2 | 828, 420 |
| 2 | 414, 210 |
| 3 | 207, 105 |
| 69, 35 |
∴ So the GCF of the given numbers is 2 x 2 x 3 = 12
Greatest Common Factor of 828,420 By Matching Biggest Common Factor Method
Now, list down the factors of 828
:1,2,3,4,6,9,12,18,23,36,46,69,92,138,207,276,414,828
Now, list down the factors of 420
:1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Greatest Common Factor
We found the factors 828,420 . The biggest common factor number is the GCF number.
So the greatest common factor 828,420 is 12.
Lets's calculate LCM of 90,2566
| 2 | 90, 2566 |
| 45, 1283 |
∴ So the LCM of the given numbers is 2 x 45 x 1283 = 115470
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 12/115470
Therefore, the GCF of Fractions 828/90,420/2566 is 12/115470
Least Common Multiple of 90,2566 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 90,2566 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(90,2566) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(90,2566) x common factors =2 x 1 = 2
LCM(90,2566) = ( 90 × 2566 ) / 2
LCM(90,2566) = 230940 / 2
LCM(90,2566) = 115470
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FAQs on GCF of Fractions of 828/90, 420/2566
1. What is the HCF of 828,420?
The HCF of 828,420 is 12
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 828/90, 420/2566?
Answer: GCF of Numerators as per given numbers 828/90, 420/2566 is
GCF of Numerators i.e. for 828,420 is 12
LCM of denominators i.e. for 90,2566 is 115470.
Thus, GCF of Fractions is 12/115470.Finally, GCF of Fractions for 828/90, 420/2566 is 12/115470.