GCF of 225/870, 623/398
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 225/870, 623/398 i.e 1/173130 easily. The following is the detailed procedure to determine the greatest common factor of fractions 225/870, 623/398.
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 225/870,623/398?
Given fractions are 225/870,623/398
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 225/870,623/398, numerators are 225,623
Denominators are 870,398
The GCF of 225,623 is 1 .
LCM of 870,398 is 173130.
The greatest common factor of 225/870,623/398 = [GCF of 225,623]/[LCM of 870,398]= 1/173130
Therefore, the GCF of 225/870,623/398 is 1/173130.
To find the highest common factor of 225,623, we have to find the factors of both numbers and list the highest common factor.
The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, 225
The factors of 623 are 1, 7, 89, 623
The HCF of 225,623 is 1.
Lets's calculate GCF of 225,623
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 225,623 By Matching Biggest Common Factor Method
Now, list down the factors of 225
:1,3,5,9,15,25,45,75,225
Now, list down the factors of 623
:1,7,89,623
Greatest Common Factor
We found the factors 225,623 . The biggest common factor number is the GCF number.
So the greatest common factor 225,623 is 1.
Lets's calculate LCM of 870,398
| 2 | 870, 398 |
| 435, 199 |
∴ So the LCM of the given numbers is 2 x 435 x 199 = 173130
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/173130
Therefore, the GCF of Fractions 225/870,623/398 is 1/173130
Least Common Multiple of 870,398 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 870,398 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(870,398) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(870,398) x common factors =2 x 1 = 2
LCM(870,398) = ( 870 × 398 ) / 2
LCM(870,398) = 346260 / 2
LCM(870,398) = 173130
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 225/870, 623/398
1. What is the HCF of 225,623?
The HCF of 225,623 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 225/870, 623/398?
Answer: GCF of Numerators as per given numbers 225/870, 623/398 is
GCF of Numerators i.e. for 225,623 is 1
LCM of denominators i.e. for 870,398 is 173130.
Thus, GCF of Fractions is 1/173130.Finally, GCF of Fractions for 225/870, 623/398 is 1/173130.