GCF of 21/778, 18/130, 414/448
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 21/778, 18/130, 414/448 i.e 3/11327680 easily. The following is the detailed procedure to determine the greatest common factor of fractions 21/778, 18/130, 414/448.
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 21/778,18/130,414/448?
Given fractions are 21/778,18/130,414/448
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 21/778,18/130,414/448, numerators are 21,18,414
Denominators are 778,130,448
The GCF of 21,18,414 is 3 .
LCM of 778,130,448 is 11327680.
The greatest common factor of 21/778,18/130,414/448 = [GCF of 21,18,414]/[LCM of 778,130,448]= 3/11327680
Therefore, the GCF of 21/778,18/130,414/448 is 3/11327680.
To find the highest common factor of 21,18,414, we have to find the factors of both numbers and list the highest common factor.
The factors of 21 are 1, 3, 7, 21
The factors of 18 are 1, 2, 3, 6, 9, 18
The factors of 414 are 1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414
The HCF of 21,18,414 is 3.
Lets's calculate GCF of 21,18,414
| 3 | 21, 18, 414 |
| 7, 6, 138 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 21,18,414 By Matching Biggest Common Factor Method
Now, list down the factors of 21
:1,3,7,21
Now, list down the factors of 18
:1,2,3,6,9,18
Now, list down the factors of 414
:1,2,3,6,9,18,23,46,69,138,207,414
Greatest Common Factor
We found the factors 21,18,414 . The biggest common factor number is the GCF number.
So the greatest common factor 21,18,414 is 3.
Lets's calculate LCM of 778,130,448
| 2 | 778, 130, 448 |
| 389, 65, 224 |
∴ So the LCM of the given numbers is 2 x 389 x 65 x 224 = 11327680
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/11327680
Therefore, the GCF of Fractions 21/778,18/130,414/448 is 3/11327680
Least Common Multiple of 778,130,448 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 778,130,448 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(778,130,448) = 2
common factors(in case of two or more numbers have common factors) = 2
GCF(778,130,448) x common factors =2 x 2 = 4
LCM(778,130,448) = ( 778 × 130 × 448 ) / 4
LCM(778,130,448) = 45310720 / 4
LCM(778,130,448) = 11327680
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FAQs on GCF of Fractions of 21/778, 18/130, 414/448
1. What is the HCF of 21,18,414?
The HCF of 21,18,414 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 21/778, 18/130, 414/448?
Answer: GCF of Numerators as per given numbers 21/778, 18/130, 414/448 is
GCF of Numerators i.e. for 21,18,414 is 3
LCM of denominators i.e. for 778,130,448 is 11327680.
Thus, GCF of Fractions is 3/11327680.Finally, GCF of Fractions for 21/778, 18/130, 414/448 is 3/11327680.