Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 784/639,646/893,478/931
Formula to find GCF of Fractions is
GCF = GCF of Numerators/LCM of Denominators
As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators
In the given fractions GCF of Numerators means GCF of 784,646,478
Greatest Common Factor of Numerators i.e. GCF of 784,646,478 is 2 .
LCM of Denominators means LCM of 639,893,931 as per the given fractions.
LCM of 639,893,931 is 27960723 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 784,646,478
2 | 784, 646, 478 |
392, 323, 239 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 784
List of positive integer factors of 784 that divides 784 without a remainder.
1,2,4,7,8,14,16,28,49,56,98,112,196,392,784
Factors of 646
List of positive integer factors of 646 that divides 646 without a remainder.
1,2,17,19,34,38,323,646
Factors of 478
List of positive integer factors of 478 that divides 478 without a remainder.
1,2,239,478
Greatest Common Factor
We found the factors 784,646,478 . The biggest common factor number is the GCF number.
So the greatest common factor 784,646,478 is 2.
Lets's calculate LCM of 639,893,931
19 | 639, 893, 931 |
639, 47, 49 |
∴ So the LCM of the given numbers is 19 x 639 x 47 x 49 = 27960723
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/27960723
Therefore, the GCF of Fractions 784/639,646/893,478/931 is 2/27960723
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 639,893,931 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(639,893,931) = 1
common factors(in case of two or more numbers have common factors) = 19
GCF(639,893,931) x common factors =1 x 19 = 19
LCM(639,893,931) = ( 639 × 893 × 931 ) / 19
LCM(639,893,931) = 531253737 / 19
LCM(639,893,931) = 27960723
Here are some samples of GCF of Fractions calculations.
Here are some samples of GCF of Fractions calculations.
1. 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.
2. What is the GCF of Fractions for 784/639, 646/893, 478/931?
Answer: GCF of Numerators as per given numbers 784/639, 646/893, 478/931 is
GCF of Numerators i.e. for 784,646,478 is 2
LCM of denominators i.e. for 639,893,931 is 27960723.
Thus, GCF of Fractions is 2/27960723.Finally, GCF of Fractions for 784/639, 646/893, 478/931 is 2/27960723.