Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 36/39,73/38,28/28,85/13
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 36,73,28,85
Greatest Common Factor of Numerators i.e. GCF of 36,73,28,85 is 1 .
LCM of Denominators means LCM of 39,38,28,13 as per the given fractions.
LCM of 39,38,28,13 is 20748 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 36,73,28,85
∴ So GCF of numbers is 1 because of no common factors present between them.
Factors of 36
List of positive integer factors of 36 that divides 36 without a remainder.
1,2,3,4,6,9,12,18,36
Factors of 73
List of positive integer factors of 73 that divides 73 without a remainder.
1,73
Factors of 28
List of positive integer factors of 28 that divides 28 without a remainder.
1,2,4,7,14,28
Factors of 85
List of positive integer factors of 85 that divides 85 without a remainder.
1,5,17,85
Greatest Common Factor
We found the factors 36,73,28,85 . The biggest common factor number is the GCF number.
So the greatest common factor 36,73,28,85 is 1.
Lets's calculate LCM of 39,38,28,13
2 | 39, 38, 28, 13 |
13 | 39, 19, 14, 13 |
3, 19, 14, 1 |
∴ So the LCM of the given numbers is 2 x 13 x 3 x 19 x 14 x 1 = 20748
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/20748
Therefore, the GCF of Fractions 36/39,73/38,28/28,85/13 is 1/20748
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 39,38,28,13 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(39,38,28,13) = 1
common factors(in case of two or more numbers have common factors) = 26
GCF(39,38,28,13) x common factors =1 x 26 = 26
LCM(39,38,28,13) = ( 39 × 38 × 28 × 13 ) / 26
LCM(39,38,28,13) = 539448 / 26
LCM(39,38,28,13) = 20748
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 36/39, 73/38, 28/28, 85/13?
Answer: GCF of Numerators as per given numbers 36/39, 73/38, 28/28, 85/13 is
GCF of Numerators i.e. for 36,73,28,85 is 1
LCM of denominators i.e. for 39,38,28,13 is 20748.
Thus, GCF of Fractions is 1/20748.Finally, GCF of Fractions for 36/39, 73/38, 28/28, 85/13 is 1/20748.