GCF of 638/995, 128/130
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 638/995, 128/130 i.e 2/25870 easily. The following is the detailed procedure to determine the greatest common factor of fractions 638/995, 128/130.
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 638/995,128/130?
Given fractions are 638/995,128/130
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 638/995,128/130, numerators are 638,128
Denominators are 995,130
The GCF of 638,128 is 2 .
LCM of 995,130 is 25870.
The greatest common factor of 638/995,128/130 = [GCF of 638,128]/[LCM of 995,130]= 2/25870
Therefore, the GCF of 638/995,128/130 is 2/25870.
To find the highest common factor of 638,128, we have to find the factors of both numbers and list the highest common factor.
The factors of 638 are 1, 2, 11, 22, 29, 58, 319, 638
The factors of 128 are 1, 2, 4, 8, 16, 32, 64, 128
The HCF of 638,128 is 2.
Lets's calculate GCF of 638,128
| 2 | 638, 128 |
| 319, 64 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 638,128 By Matching Biggest Common Factor Method
Now, list down the factors of 638
:1,2,11,22,29,58,319,638
Now, list down the factors of 128
:1,2,4,8,16,32,64,128
Greatest Common Factor
We found the factors 638,128 . The biggest common factor number is the GCF number.
So the greatest common factor 638,128 is 2.
Lets's calculate LCM of 995,130
| 5 | 995, 130 |
| 199, 26 |
∴ So the LCM of the given numbers is 5 x 199 x 26 = 25870
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/25870
Therefore, the GCF of Fractions 638/995,128/130 is 2/25870
Least Common Multiple of 995,130 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 995,130 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(995,130) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(995,130) x common factors =5 x 1 = 5
LCM(995,130) = ( 995 × 130 ) / 5
LCM(995,130) = 129350 / 5
LCM(995,130) = 25870
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FAQs on GCF of Fractions of 638/995, 128/130
1. What is the HCF of 638,128?
The HCF of 638,128 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 638/995, 128/130?
Answer: GCF of Numerators as per given numbers 638/995, 128/130 is
GCF of Numerators i.e. for 638,128 is 2
LCM of denominators i.e. for 995,130 is 25870.
Thus, GCF of Fractions is 2/25870.Finally, GCF of Fractions for 638/995, 128/130 is 2/25870.