GCF of 297/81, 678/920
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 297/81, 678/920 i.e 3/74520 easily. The following is the detailed procedure to determine the greatest common factor of fractions 297/81, 678/920.
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 297/81,678/920?
Given fractions are 297/81,678/920
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 297/81,678/920, numerators are 297,678
Denominators are 81,920
The GCF of 297,678 is 3 .
LCM of 81,920 is 74520.
The greatest common factor of 297/81,678/920 = [GCF of 297,678]/[LCM of 81,920]= 3/74520
Therefore, the GCF of 297/81,678/920 is 3/74520.
To find the highest common factor of 297,678, we have to find the factors of both numbers and list the highest common factor.
The factors of 297 are 1, 3, 9, 11, 27, 33, 99, 297
The factors of 678 are 1, 2, 3, 6, 113, 226, 339, 678
The HCF of 297,678 is 3.
Lets's calculate GCF of 297,678
| 3 | 297, 678 |
| 99, 226 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 297,678 By Matching Biggest Common Factor Method
Now, list down the factors of 297
:1,3,9,11,27,33,99,297
Now, list down the factors of 678
:1,2,3,6,113,226,339,678
Greatest Common Factor
We found the factors 297,678 . The biggest common factor number is the GCF number.
So the greatest common factor 297,678 is 3.
Lets's calculate LCM of 81,920
Given numbers has no common factors except 1. So, there LCM is their product i.e 74520
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/74520
Therefore, the GCF of Fractions 297/81,678/920 is 3/74520
Least Common Multiple of 81,920 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 81,920 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(81,920) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(81,920) x common factors =1 x 1 = 1
LCM(81,920) = ( 81 × 920 ) / 1
LCM(81,920) = 74520 / 1
LCM(81,920) = 74520
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FAQs on GCF of Fractions of 297/81, 678/920
1. What is the HCF of 297,678?
The HCF of 297,678 is 3
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 297/81, 678/920?
Answer: GCF of Numerators as per given numbers 297/81, 678/920 is
GCF of Numerators i.e. for 297,678 is 3
LCM of denominators i.e. for 81,920 is 74520.
Thus, GCF of Fractions is 3/74520.Finally, GCF of Fractions for 297/81, 678/920 is 3/74520.