GCF of 4/15, 16/85, 28/675, 308/357
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 4/15, 16/85, 28/675, 308/357 i.e 4/80325 easily. The following is the detailed procedure to determine the greatest common factor of fractions 4/15, 16/85, 28/675, 308/357.
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 4/15,16/85,28/675,308/357?
Given fractions are 4/15,16/85,28/675,308/357
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 4/15,16/85,28/675,308/357, numerators are 4,16,28,308
Denominators are 15,85,675,357
The GCF of 4,16,28,308 is 4 .
LCM of 15,85,675,357 is 80325.
The greatest common factor of 4/15,16/85,28/675,308/357 = [GCF of 4,16,28,308]/[LCM of 15,85,675,357]= 4/80325
Therefore, the GCF of 4/15,16/85,28/675,308/357 is 4/80325.
To find the highest common factor of 4,16,28,308, we have to find the factors of both numbers and list the highest common factor.
The factors of 4 are 1, 2, 4
The factors of 16 are 1, 2, 4, 8, 16
The factors of 28 are 1, 2, 4, 7, 14, 28
The factors of 308 are 1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308
The HCF of 4,16,28,308 is 4.
Lets's calculate GCF of 4,16,28,308
| 2 | 4, 16, 28, 308 |
| 2 | 2, 8, 14, 154 |
| 1, 4, 7, 77 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Greatest Common Factor of 4,16,28,308 By Matching Biggest Common Factor Method
Now, list down the factors of 4
:1,2,4
Now, list down the factors of 16
:1,2,4,8,16
Now, list down the factors of 28
:1,2,4,7,14,28
Now, list down the factors of 308
:1,2,4,7,11,14,22,28,44,77,154,308
Greatest Common Factor
We found the factors 4,16,28,308 . The biggest common factor number is the GCF number.
So the greatest common factor 4,16,28,308 is 4.
Lets's calculate LCM of 15,85,675,357
| 3 | 15, 85, 675, 357 |
| 5 | 5, 85, 225, 119 |
| 17 | 1, 17, 45, 119 |
| 1, 1, 45, 7 |
∴ So the LCM of the given numbers is 3 x 5 x 17 x 1 x 1 x 45 x 7 = 80325
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/80325
Therefore, the GCF of Fractions 4/15,16/85,28/675,308/357 is 4/80325
Least Common Multiple of 15,85,675,357 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 15,85,675,357 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(15,85,675,357) = 1
common factors(in case of two or more numbers have common factors) = 3825
GCF(15,85,675,357) x common factors =1 x 3825 = 3825
LCM(15,85,675,357) = ( 15 × 85 × 675 × 357 ) / 3825
LCM(15,85,675,357) = 307243125 / 3825
LCM(15,85,675,357) = 80325
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 4/15, 16/85, 28/675, 308/357
1. What is the HCF of 4,16,28,308?
The HCF of 4,16,28,308 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 4/15, 16/85, 28/675, 308/357?
Answer: GCF of Numerators as per given numbers 4/15, 16/85, 28/675, 308/357 is
GCF of Numerators i.e. for 4,16,28,308 is 4
LCM of denominators i.e. for 15,85,675,357 is 80325.
Thus, GCF of Fractions is 4/80325.Finally, GCF of Fractions for 4/15, 16/85, 28/675, 308/357 is 4/80325.