Use our free GCF of Fractions Calculator tool to compute the GCF of 298/390, 986/657 i.e 2/85410 easily. The following is the detailed procedure to determine the greatest common factor of fractions 298/390, 986/657.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 298/390,986/657
To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by
GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators
In the fractions 298/390,986/657, numerators are 298,986
Denominators are 390,657
The GCF of 298,986 is 2 .
LCM of 390,657 is 85410.
The greatest common factor of 298/390,986/657 = [GCF of 298,986]/[LCM of 390,657]= 2/85410
Therefore, the GCF of 298/390,986/657 is 2/85410.
To find the highest common factor of 298,986, we have to find the factors of both numbers and list the highest common factor.
The factors of 298 are 1, 2, 149, 298
The factors of 986 are 1, 2, 17, 29, 34, 58, 493, 986
The HCF of 298,986 is 2.
Lets's calculate GCF of 298,986
2 | 298, 986 |
149, 493 |
∴ So the GCF of the given numbers is 2 = 2
Now, list down the factors of 298
:1,2,149,298
Now, list down the factors of 986
:1,2,17,29,34,58,493,986
Greatest Common Factor
We found the factors 298,986 . The biggest common factor number is the GCF number.
So the greatest common factor 298,986 is 2.
Lets's calculate LCM of 390,657
3 | 390, 657 |
130, 219 |
∴ So the LCM of the given numbers is 3 x 130 x 219 = 85410
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/85410
Therefore, the GCF of Fractions 298/390,986/657 is 2/85410
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 390,657 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(390,657) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(390,657) x common factors =3 x 1 = 3
LCM(390,657) = ( 390 × 657 ) / 3
LCM(390,657) = 256230 / 3
LCM(390,657) = 85410
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 298,986?
The HCF of 298,986 is 2
2. What is the GCF of a fraction?
The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.
3. 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.
4. What is the GCF of Fractions for 298/390, 986/657?
Answer: GCF of Numerators as per given numbers 298/390, 986/657 is
GCF of Numerators i.e. for 298,986 is 2
LCM of denominators i.e. for 390,657 is 85410.
Thus, GCF of Fractions is 2/85410.Finally, GCF of Fractions for 298/390, 986/657 is 2/85410.