Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 1257/472,2551/890
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 1257,2551
Greatest Common Factor of Numerators i.e. GCF of 1257,2551 is 1 .
LCM of Denominators means LCM of 472,890 as per the given fractions.
LCM of 472,890 is 210040 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 1257,2551
∴ So GCF of numbers is 1 because of no common factors present between them.
Factors of 1257
List of positive integer factors of 1257 that divides 1257 without a remainder.
1,3,419,1257
Factors of 2551
List of positive integer factors of 2551 that divides 2551 without a remainder.
1,2551
Greatest Common Factor
We found the factors 1257,2551 . The biggest common factor number is the GCF number.
So the greatest common factor 1257,2551 is 1.
Lets's calculate LCM of 472,890
2 | 472, 890 |
236, 445 |
∴ So the LCM of the given numbers is 2 x 236 x 445 = 210040
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/210040
Therefore, the GCF of Fractions 1257/472,2551/890 is 1/210040
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 472,890 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(472,890) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(472,890) x common factors =2 x 1 = 2
LCM(472,890) = ( 472 × 890 ) / 2
LCM(472,890) = 420080 / 2
LCM(472,890) = 210040
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 1257/472, 2551/890?
Answer: GCF of Numerators as per given numbers 1257/472, 2551/890 is
GCF of Numerators i.e. for 1257,2551 is 1
LCM of denominators i.e. for 472,890 is 210040.
Thus, GCF of Fractions is 1/210040.Finally, GCF of Fractions for 1257/472, 2551/890 is 1/210040.