GCF of 88/68, 420/21, 392/579
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 88/68, 420/21, 392/579 i.e 4/275604 easily. The following is the detailed procedure to determine the greatest common factor of fractions 88/68, 420/21, 392/579.
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 88/68,420/21,392/579?
Given fractions are 88/68,420/21,392/579
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 88/68,420/21,392/579, numerators are 88,420,392
Denominators are 68,21,579
The GCF of 88,420,392 is 4 .
LCM of 68,21,579 is 275604.
The greatest common factor of 88/68,420/21,392/579 = [GCF of 88,420,392]/[LCM of 68,21,579]= 4/275604
Therefore, the GCF of 88/68,420/21,392/579 is 4/275604.
To find the highest common factor of 88,420,392, we have to find the factors of both numbers and list the highest common factor.
The factors of 88 are 1, 2, 4, 8, 11, 22, 44, 88
The factors of 420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
The factors of 392 are 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
The HCF of 88,420,392 is 4.
Lets's calculate GCF of 88,420,392
| 2 | 88, 420, 392 |
| 2 | 44, 210, 196 |
| 22, 105, 98 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Greatest Common Factor of 88,420,392 By Matching Biggest Common Factor Method
Now, list down the factors of 88
:1,2,4,8,11,22,44,88
Now, list down the factors of 420
:1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Now, list down the factors of 392
:1,2,4,7,8,14,28,49,56,98,196,392
Greatest Common Factor
We found the factors 88,420,392 . The biggest common factor number is the GCF number.
So the greatest common factor 88,420,392 is 4.
Lets's calculate LCM of 68,21,579
| 3 | 68, 21, 579 |
| 68, 7, 193 |
∴ So the LCM of the given numbers is 3 x 68 x 7 x 193 = 275604
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/275604
Therefore, the GCF of Fractions 88/68,420/21,392/579 is 4/275604
Least Common Multiple of 68,21,579 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 68,21,579 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(68,21,579) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(68,21,579) x common factors =1 x 3 = 3
LCM(68,21,579) = ( 68 × 21 × 579 ) / 3
LCM(68,21,579) = 826812 / 3
LCM(68,21,579) = 275604
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FAQs on GCF of Fractions of 88/68, 420/21, 392/579
1. What is the HCF of 88,420,392?
The HCF of 88,420,392 is 4
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 88/68, 420/21, 392/579?
Answer: GCF of Numerators as per given numbers 88/68, 420/21, 392/579 is
GCF of Numerators i.e. for 88,420,392 is 4
LCM of denominators i.e. for 68,21,579 is 275604.
Thus, GCF of Fractions is 4/275604.Finally, GCF of Fractions for 88/68, 420/21, 392/579 is 4/275604.