GCF of 768/615, 280/243
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 768/615, 280/243 i.e 8/49815 easily. The following is the detailed procedure to determine the greatest common factor of fractions 768/615, 280/243.
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 768/615,280/243?
Given fractions are 768/615,280/243
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 768/615,280/243, numerators are 768,280
Denominators are 615,243
The GCF of 768,280 is 8 .
LCM of 615,243 is 49815.
The greatest common factor of 768/615,280/243 = [GCF of 768,280]/[LCM of 615,243]= 8/49815
Therefore, the GCF of 768/615,280/243 is 8/49815.
To find the highest common factor of 768,280, we have to find the factors of both numbers and list the highest common factor.
The factors of 768 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768
The factors of 280 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
The HCF of 768,280 is 8.
Lets's calculate GCF of 768,280
| 2 | 768, 280 |
| 2 | 384, 140 |
| 2 | 192, 70 |
| 96, 35 |
∴ So the GCF of the given numbers is 2 x 2 x 2 = 8
Greatest Common Factor of 768,280 By Matching Biggest Common Factor Method
Now, list down the factors of 768
:1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768
Now, list down the factors of 280
:1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280
Greatest Common Factor
We found the factors 768,280 . The biggest common factor number is the GCF number.
So the greatest common factor 768,280 is 8.
Lets's calculate LCM of 615,243
| 3 | 615, 243 |
| 205, 81 |
∴ So the LCM of the given numbers is 3 x 205 x 81 = 49815
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 8/49815
Therefore, the GCF of Fractions 768/615,280/243 is 8/49815
Least Common Multiple of 615,243 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 615,243 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(615,243) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(615,243) x common factors =3 x 1 = 3
LCM(615,243) = ( 615 × 243 ) / 3
LCM(615,243) = 149445 / 3
LCM(615,243) = 49815
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 768/615, 280/243
1. What is the HCF of 768,280?
The HCF of 768,280 is 8
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 768/615, 280/243?
Answer: GCF of Numerators as per given numbers 768/615, 280/243 is
GCF of Numerators i.e. for 768,280 is 8
LCM of denominators i.e. for 615,243 is 49815.
Thus, GCF of Fractions is 8/49815.Finally, GCF of Fractions for 768/615, 280/243 is 8/49815.