Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 84/455,87/348,687/210
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 84,87,687
Greatest Common Factor of Numerators i.e. GCF of 84,87,687 is 3 .
LCM of Denominators means LCM of 455,348,210 as per the given fractions.
LCM of 455,348,210 is 158340 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 84,87,687
3 | 84, 87, 687 |
28, 29, 229 |
∴ So the GCF of the given numbers is 3 = 3
Factors of 84
List of positive integer factors of 84 that divides 84 without a remainder.
1,2,3,4,6,7,12,14,21,28,42,84
Factors of 87
List of positive integer factors of 87 that divides 87 without a remainder.
1,3,29,87
Factors of 687
List of positive integer factors of 687 that divides 687 without a remainder.
1,3,229,687
Greatest Common Factor
We found the factors 84,87,687 . The biggest common factor number is the GCF number.
So the greatest common factor 84,87,687 is 3.
Lets's calculate LCM of 455,348,210
2 | 455, 348, 210 |
3 | 455, 174, 105 |
5 | 455, 58, 35 |
7 | 91, 58, 7 |
13, 58, 1 |
∴ So the LCM of the given numbers is 2 x 3 x 5 x 7 x 13 x 58 x 1 = 158340
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/158340
Therefore, the GCF of Fractions 84/455,87/348,687/210 is 3/158340
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 455,348,210 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(455,348,210) = 1
common factors(in case of two or more numbers have common factors) = 210
GCF(455,348,210) x common factors =1 x 210 = 210
LCM(455,348,210) = ( 455 × 348 × 210 ) / 210
LCM(455,348,210) = 33251400 / 210
LCM(455,348,210) = 158340
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 84/455, 87/348, 687/210?
Answer: GCF of Numerators as per given numbers 84/455, 87/348, 687/210 is
GCF of Numerators i.e. for 84,87,687 is 3
LCM of denominators i.e. for 455,348,210 is 158340.
Thus, GCF of Fractions is 3/158340.Finally, GCF of Fractions for 84/455, 87/348, 687/210 is 3/158340.