GCF of 96/79, 18/44, 12/55, 21/139
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 96/79, 18/44, 12/55, 21/139 i.e 3/2415820 easily. The following is the detailed procedure to determine the greatest common factor of fractions 96/79, 18/44, 12/55, 21/139.
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 96/79,18/44,12/55,21/139?
Given fractions are 96/79,18/44,12/55,21/139
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 96/79,18/44,12/55,21/139, numerators are 96,18,12,21
Denominators are 79,44,55,139
The GCF of 96,18,12,21 is 3 .
LCM of 79,44,55,139 is 2415820.
The greatest common factor of 96/79,18/44,12/55,21/139 = [GCF of 96,18,12,21]/[LCM of 79,44,55,139]= 3/2415820
Therefore, the GCF of 96/79,18/44,12/55,21/139 is 3/2415820.
To find the highest common factor of 96,18,12,21, we have to find the factors of both numbers and list the highest common factor.
The factors of 96 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
The factors of 18 are 1, 2, 3, 6, 9, 18
The factors of 12 are 1, 2, 3, 4, 6, 12
The factors of 21 are 1, 3, 7, 21
The HCF of 96,18,12,21 is 3.
Lets's calculate GCF of 96,18,12,21
| 3 | 96, 18, 12, 21 |
| 32, 6, 4, 7 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 96,18,12,21 By Matching Biggest Common Factor Method
Now, list down the factors of 96
:1,2,3,4,6,8,12,16,24,32,48,96
Now, list down the factors of 18
:1,2,3,6,9,18
Now, list down the factors of 12
:1,2,3,4,6,12
Now, list down the factors of 21
:1,3,7,21
Greatest Common Factor
We found the factors 96,18,12,21 . The biggest common factor number is the GCF number.
So the greatest common factor 96,18,12,21 is 3.
Lets's calculate LCM of 79,44,55,139
| 11 | 79, 44, 55, 139 |
| 79, 4, 5, 139 |
∴ So the LCM of the given numbers is 11 x 79 x 4 x 5 x 139 = 2415820
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/2415820
Therefore, the GCF of Fractions 96/79,18/44,12/55,21/139 is 3/2415820
Least Common Multiple of 79,44,55,139 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 79,44,55,139 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(79,44,55,139) = 1
common factors(in case of two or more numbers have common factors) = 11
GCF(79,44,55,139) x common factors =1 x 11 = 11
LCM(79,44,55,139) = ( 79 × 44 × 55 × 139 ) / 11
LCM(79,44,55,139) = 26574020 / 11
LCM(79,44,55,139) = 2415820
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 96/79, 18/44, 12/55, 21/139
1. What is the HCF of 96,18,12,21?
The HCF of 96,18,12,21 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 96/79, 18/44, 12/55, 21/139?
Answer: GCF of Numerators as per given numbers 96/79, 18/44, 12/55, 21/139 is
GCF of Numerators i.e. for 96,18,12,21 is 3
LCM of denominators i.e. for 79,44,55,139 is 2415820.
Thus, GCF of Fractions is 3/2415820.Finally, GCF of Fractions for 96/79, 18/44, 12/55, 21/139 is 3/2415820.