GCF of 87/936, 42/172, 138/113
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 87/936, 42/172, 138/113 i.e 3/4548024 easily. The following is the detailed procedure to determine the greatest common factor of fractions 87/936, 42/172, 138/113.
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 87/936,42/172,138/113?
Given fractions are 87/936,42/172,138/113
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 87/936,42/172,138/113, numerators are 87,42,138
Denominators are 936,172,113
The GCF of 87,42,138 is 3 .
LCM of 936,172,113 is 4548024.
The greatest common factor of 87/936,42/172,138/113 = [GCF of 87,42,138]/[LCM of 936,172,113]= 3/4548024
Therefore, the GCF of 87/936,42/172,138/113 is 3/4548024.
To find the highest common factor of 87,42,138, we have to find the factors of both numbers and list the highest common factor.
The factors of 87 are 1, 3, 29, 87
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42
The factors of 138 are 1, 2, 3, 6, 23, 46, 69, 138
The HCF of 87,42,138 is 3.
Lets's calculate GCF of 87,42,138
| 3 | 87, 42, 138 |
| 29, 14, 46 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 87,42,138 By Matching Biggest Common Factor Method
Now, list down the factors of 87
:1,3,29,87
Now, list down the factors of 42
:1,2,3,6,7,14,21,42
Now, list down the factors of 138
:1,2,3,6,23,46,69,138
Greatest Common Factor
We found the factors 87,42,138 . The biggest common factor number is the GCF number.
So the greatest common factor 87,42,138 is 3.
Lets's calculate LCM of 936,172,113
| 2 | 936, 172, 113 |
| 2 | 468, 86, 113 |
| 234, 43, 113 |
∴ So the LCM of the given numbers is 2 x 2 x 234 x 43 x 113 = 4548024
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/4548024
Therefore, the GCF of Fractions 87/936,42/172,138/113 is 3/4548024
Least Common Multiple of 936,172,113 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 936,172,113 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(936,172,113) = 1
common factors(in case of two or more numbers have common factors) = 4
GCF(936,172,113) x common factors =1 x 4 = 4
LCM(936,172,113) = ( 936 × 172 × 113 ) / 4
LCM(936,172,113) = 18192096 / 4
LCM(936,172,113) = 4548024
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FAQs on GCF of Fractions of 87/936, 42/172, 138/113
1. What is the HCF of 87,42,138?
The HCF of 87,42,138 is 3
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 87/936, 42/172, 138/113?
Answer: GCF of Numerators as per given numbers 87/936, 42/172, 138/113 is
GCF of Numerators i.e. for 87,42,138 is 3
LCM of denominators i.e. for 936,172,113 is 4548024.
Thus, GCF of Fractions is 3/4548024.Finally, GCF of Fractions for 87/936, 42/172, 138/113 is 3/4548024.