GCF of 398/99, 378/1690
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 398/99, 378/1690 i.e 2/167310 easily. The following is the detailed procedure to determine the greatest common factor of fractions 398/99, 378/1690.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 398/99,378/1690?
Given fractions are 398/99,378/1690
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 398/99,378/1690, numerators are 398,378
Denominators are 99,1690
The GCF of 398,378 is 2 .
LCM of 99,1690 is 167310.
The greatest common factor of 398/99,378/1690 = [GCF of 398,378]/[LCM of 99,1690]= 2/167310
Therefore, the GCF of 398/99,378/1690 is 2/167310.
To find the highest common factor of 398,378, we have to find the factors of both numbers and list the highest common factor.
The factors of 398 are 1, 2, 199, 398
The factors of 378 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
The HCF of 398,378 is 2.
Lets's calculate GCF of 398,378
| 2 | 398, 378 |
| 199, 189 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 398,378 By Matching Biggest Common Factor Method
Now, list down the factors of 398
:1,2,199,398
Now, list down the factors of 378
:1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378
Greatest Common Factor
We found the factors 398,378 . The biggest common factor number is the GCF number.
So the greatest common factor 398,378 is 2.
Lets's calculate LCM of 99,1690
Given numbers has no common factors except 1. So, there LCM is their product i.e 167310
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/167310
Therefore, the GCF of Fractions 398/99,378/1690 is 2/167310
Least Common Multiple of 99,1690 with GCF Formula
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 99,1690 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(99,1690) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(99,1690) x common factors =1 x 1 = 1
LCM(99,1690) = ( 99 × 1690 ) / 1
LCM(99,1690) = 167310 / 1
LCM(99,1690) = 167310
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FAQs on GCF of Fractions of 398/99, 378/1690
1. What is the HCF of 398,378?
The HCF of 398,378 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 398/99, 378/1690?
Answer: GCF of Numerators as per given numbers 398/99, 378/1690 is
GCF of Numerators i.e. for 398,378 is 2
LCM of denominators i.e. for 99,1690 is 167310.
Thus, GCF of Fractions is 2/167310.Finally, GCF of Fractions for 398/99, 378/1690 is 2/167310.