GCF of 819/480, 4356/840
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 819/480, 4356/840 i.e 9/3360 easily. The following is the detailed procedure to determine the greatest common factor of fractions 819/480, 4356/840.
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 819/480,4356/840?
Given fractions are 819/480,4356/840
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 819/480,4356/840, numerators are 819,4356
Denominators are 480,840
The GCF of 819,4356 is 9 .
LCM of 480,840 is 3360.
The greatest common factor of 819/480,4356/840 = [GCF of 819,4356]/[LCM of 480,840]= 9/3360
Therefore, the GCF of 819/480,4356/840 is 9/3360.
To find the highest common factor of 819,4356, we have to find the factors of both numbers and list the highest common factor.
The factors of 819 are 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819
The factors of 4356 are 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356
The HCF of 819,4356 is 9.
Lets's calculate GCF of 819,4356
| 3 | 819, 4356 |
| 3 | 273, 1452 |
| 91, 484 |
∴ So the GCF of the given numbers is 3 x 3 = 9
Greatest Common Factor of 819,4356 By Matching Biggest Common Factor Method
Now, list down the factors of 819
:1,3,7,9,13,21,39,63,91,117,273,819
Now, list down the factors of 4356
:1,2,3,4,6,9,11,12,18,22,33,36,44,66,99,121,132,198,242,363,396,484,726,1089,1452,2178,4356
Greatest Common Factor
We found the factors 819,4356 . The biggest common factor number is the GCF number.
So the greatest common factor 819,4356 is 9.
Lets's calculate LCM of 480,840
| 2 | 480, 840 |
| 2 | 240, 420 |
| 2 | 120, 210 |
| 3 | 60, 105 |
| 5 | 20, 35 |
| 4, 7 |
∴ So the LCM of the given numbers is 2 x 2 x 2 x 3 x 5 x 4 x 7 = 3360
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/3360
Therefore, the GCF of Fractions 819/480,4356/840 is 9/3360
Least Common Multiple of 480,840 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 480,840 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(480,840) = 120
common factors(in case of two or more numbers have common factors) = 1
GCF(480,840) x common factors =120 x 1 = 120
LCM(480,840) = ( 480 × 840 ) / 120
LCM(480,840) = 403200 / 120
LCM(480,840) = 3360
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FAQs on GCF of Fractions of 819/480, 4356/840
1. What is the HCF of 819,4356?
The HCF of 819,4356 is 9
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 819/480, 4356/840?
Answer: GCF of Numerators as per given numbers 819/480, 4356/840 is
GCF of Numerators i.e. for 819,4356 is 9
LCM of denominators i.e. for 480,840 is 3360.
Thus, GCF of Fractions is 9/3360.Finally, GCF of Fractions for 819/480, 4356/840 is 9/3360.