GCF of 21/525, 51/441, 656/505
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 21/525, 51/441, 656/505 i.e 1/1113525 easily. The following is the detailed procedure to determine the greatest common factor of fractions 21/525, 51/441, 656/505.
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 21/525,51/441,656/505?
Given fractions are 21/525,51/441,656/505
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 21/525,51/441,656/505, numerators are 21,51,656
Denominators are 525,441,505
The GCF of 21,51,656 is 1 .
LCM of 525,441,505 is 1113525.
The greatest common factor of 21/525,51/441,656/505 = [GCF of 21,51,656]/[LCM of 525,441,505]= 1/1113525
Therefore, the GCF of 21/525,51/441,656/505 is 1/1113525.
To find the highest common factor of 21,51,656, 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 51 are 1, 3, 17, 51
The factors of 656 are 1, 2, 4, 8, 16, 41, 82, 164, 328, 656
The HCF of 21,51,656 is 1.
Lets's calculate GCF of 21,51,656
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 21,51,656 By Matching Biggest Common Factor Method
Now, list down the factors of 21
:1,3,7,21
Now, list down the factors of 51
:1,3,17,51
Now, list down the factors of 656
:1,2,4,8,16,41,82,164,328,656
Greatest Common Factor
We found the factors 21,51,656 . The biggest common factor number is the GCF number.
So the greatest common factor 21,51,656 is 1.
Lets's calculate LCM of 525,441,505
| 3 | 525, 441, 505 |
| 5 | 175, 147, 505 |
| 7 | 35, 147, 101 |
| 5, 21, 101 |
∴ So the LCM of the given numbers is 3 x 5 x 7 x 5 x 21 x 101 = 1113525
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1113525
Therefore, the GCF of Fractions 21/525,51/441,656/505 is 1/1113525
Least Common Multiple of 525,441,505 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 525,441,505 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(525,441,505) = 1
common factors(in case of two or more numbers have common factors) = 105
GCF(525,441,505) x common factors =1 x 105 = 105
LCM(525,441,505) = ( 525 × 441 × 505 ) / 105
LCM(525,441,505) = 116920125 / 105
LCM(525,441,505) = 1113525
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FAQs on GCF of Fractions of 21/525, 51/441, 656/505
1. What is the HCF of 21,51,656?
The HCF of 21,51,656 is 1
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 21/525, 51/441, 656/505?
Answer: GCF of Numerators as per given numbers 21/525, 51/441, 656/505 is
GCF of Numerators i.e. for 21,51,656 is 1
LCM of denominators i.e. for 525,441,505 is 1113525.
Thus, GCF of Fractions is 1/1113525.Finally, GCF of Fractions for 21/525, 51/441, 656/505 is 1/1113525.