Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 84/30,25/69,25/33,72/161
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 84,25,25,72
Greatest Common Factor of Numerators i.e. GCF of 84,25,25,72 is 1 .
LCM of Denominators means LCM of 30,69,33,161 as per the given fractions.
LCM of 30,69,33,161 is 53130 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 84,25,25,72
∴ So GCF of numbers is 1 because of no common factors present between them.
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 25
List of positive integer factors of 25 that divides 25 without a remainder.
1,5,25
Factors of 25
List of positive integer factors of 25 that divides 25 without a remainder.
1,5,25
Factors of 72
List of positive integer factors of 72 that divides 72 without a remainder.
1,2,3,4,6,8,9,12,18,24,36,72
Greatest Common Factor
We found the factors 84,25,25,72 . The biggest common factor number is the GCF number.
So the greatest common factor 84,25,25,72 is 1.
Lets's calculate LCM of 30,69,33,161
3 | 30, 69, 33, 161 |
23 | 10, 23, 11, 161 |
10, 1, 11, 7 |
∴ So the LCM of the given numbers is 3 x 23 x 10 x 1 x 11 x 7 = 53130
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/53130
Therefore, the GCF of Fractions 84/30,25/69,25/33,72/161 is 1/53130
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 30,69,33,161 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(30,69,33,161) = 1
common factors(in case of two or more numbers have common factors) = 207
GCF(30,69,33,161) x common factors =1 x 207 = 207
LCM(30,69,33,161) = ( 30 × 69 × 33 × 161 ) / 207
LCM(30,69,33,161) = 10997910 / 207
LCM(30,69,33,161) = 53130
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 84/30, 25/69, 25/33, 72/161?
Answer: GCF of Numerators as per given numbers 84/30, 25/69, 25/33, 72/161 is
GCF of Numerators i.e. for 84,25,25,72 is 1
LCM of denominators i.e. for 30,69,33,161 is 53130.
Thus, GCF of Fractions is 1/53130.Finally, GCF of Fractions for 84/30, 25/69, 25/33, 72/161 is 1/53130.