GCF of 890/724, 445/398
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 890/724, 445/398 i.e 445/144076 easily. The following is the detailed procedure to determine the greatest common factor of fractions 890/724, 445/398.
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 890/724,445/398?
Given fractions are 890/724,445/398
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 890/724,445/398, numerators are 890,445
Denominators are 724,398
The GCF of 890,445 is 445 .
LCM of 724,398 is 144076.
The greatest common factor of 890/724,445/398 = [GCF of 890,445]/[LCM of 724,398]= 445/144076
Therefore, the GCF of 890/724,445/398 is 445/144076.
To find the highest common factor of 890,445, we have to find the factors of both numbers and list the highest common factor.
The factors of 890 are 1, 2, 5, 10, 89, 178, 445, 890
The factors of 445 are 1, 5, 89, 445
The HCF of 890,445 is 445.
Lets's calculate GCF of 890,445
| 5 | 890, 445 |
| 89 | 178, 89 |
| 2, 1 |
∴ So the GCF of the given numbers is 5 x 89 = 445
Greatest Common Factor of 890,445 By Matching Biggest Common Factor Method
Now, list down the factors of 890
:1,2,5,10,89,178,445,890
Now, list down the factors of 445
:1,5,89,445
Greatest Common Factor
We found the factors 890,445 . The biggest common factor number is the GCF number.
So the greatest common factor 890,445 is 445.
Lets's calculate LCM of 724,398
| 2 | 724, 398 |
| 362, 199 |
∴ So the LCM of the given numbers is 2 x 362 x 199 = 144076
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 445/144076
Therefore, the GCF of Fractions 890/724,445/398 is 445/144076
Least Common Multiple of 724,398 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 724,398 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(724,398) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(724,398) x common factors =2 x 1 = 2
LCM(724,398) = ( 724 × 398 ) / 2
LCM(724,398) = 288152 / 2
LCM(724,398) = 144076
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FAQs on GCF of Fractions of 890/724, 445/398
1. What is the HCF of 890,445?
The HCF of 890,445 is 445
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 890/724, 445/398?
Answer: GCF of Numerators as per given numbers 890/724, 445/398 is
GCF of Numerators i.e. for 890,445 is 445
LCM of denominators i.e. for 724,398 is 144076.
Thus, GCF of Fractions is 445/144076.Finally, GCF of Fractions for 890/724, 445/398 is 445/144076.