GCF of 425/720, 398/189, 223/658
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 425/720, 398/189, 223/658 i.e 1/710640 easily. The following is the detailed procedure to determine the greatest common factor of fractions 425/720, 398/189, 223/658.
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 425/720,398/189,223/658?
Given fractions are 425/720,398/189,223/658
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 425/720,398/189,223/658, numerators are 425,398,223
Denominators are 720,189,658
The GCF of 425,398,223 is 1 .
LCM of 720,189,658 is 710640.
The greatest common factor of 425/720,398/189,223/658 = [GCF of 425,398,223]/[LCM of 720,189,658]= 1/710640
Therefore, the GCF of 425/720,398/189,223/658 is 1/710640.
To find the highest common factor of 425,398,223, we have to find the factors of both numbers and list the highest common factor.
The factors of 425 are 1, 5, 17, 25, 85, 425
The factors of 398 are 1, 2, 199, 398
The factors of 223 are 1, 223
The HCF of 425,398,223 is 1.
Lets's calculate GCF of 425,398,223
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 425,398,223 By Matching Biggest Common Factor Method
Now, list down the factors of 425
:1,5,17,25,85,425
Now, list down the factors of 398
:1,2,199,398
Now, list down the factors of 223
:1,223
Greatest Common Factor
We found the factors 425,398,223 . The biggest common factor number is the GCF number.
So the greatest common factor 425,398,223 is 1.
Lets's calculate LCM of 720,189,658
| 2 | 720, 189, 658 |
| 3 | 360, 189, 329 |
| 3 | 120, 63, 329 |
| 7 | 40, 21, 329 |
| 40, 3, 47 |
∴ So the LCM of the given numbers is 2 x 3 x 3 x 7 x 40 x 3 x 47 = 710640
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/710640
Therefore, the GCF of Fractions 425/720,398/189,223/658 is 1/710640
Least Common Multiple of 720,189,658 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 720,189,658 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(720,189,658) = 1
common factors(in case of two or more numbers have common factors) = 126
GCF(720,189,658) x common factors =1 x 126 = 126
LCM(720,189,658) = ( 720 × 189 × 658 ) / 126
LCM(720,189,658) = 89540640 / 126
LCM(720,189,658) = 710640
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FAQs on GCF of Fractions of 425/720, 398/189, 223/658
1. What is the HCF of 425,398,223?
The HCF of 425,398,223 is 1
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 425/720, 398/189, 223/658?
Answer: GCF of Numerators as per given numbers 425/720, 398/189, 223/658 is
GCF of Numerators i.e. for 425,398,223 is 1
LCM of denominators i.e. for 720,189,658 is 710640.
Thus, GCF of Fractions is 1/710640.Finally, GCF of Fractions for 425/720, 398/189, 223/658 is 1/710640.