GCF of 432/86, 905/990
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 432/86, 905/990 i.e 1/42570 easily. The following is the detailed procedure to determine the greatest common factor of fractions 432/86, 905/990.
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 432/86,905/990?
Given fractions are 432/86,905/990
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 432/86,905/990, numerators are 432,905
Denominators are 86,990
The GCF of 432,905 is 1 .
LCM of 86,990 is 42570.
The greatest common factor of 432/86,905/990 = [GCF of 432,905]/[LCM of 86,990]= 1/42570
Therefore, the GCF of 432/86,905/990 is 1/42570.
To find the highest common factor of 432,905, we have to find the factors of both numbers and list the highest common factor.
The factors of 432 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
The factors of 905 are 1, 5, 181, 905
The HCF of 432,905 is 1.
Lets's calculate GCF of 432,905
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 432,905 By Matching Biggest Common Factor Method
Now, list down the factors of 432
:1,2,3,4,6,8,9,12,16,18,24,27,36,48,54,72,108,144,216,432
Now, list down the factors of 905
:1,5,181,905
Greatest Common Factor
We found the factors 432,905 . The biggest common factor number is the GCF number.
So the greatest common factor 432,905 is 1.
Lets's calculate LCM of 86,990
| 2 | 86, 990 |
| 43, 495 |
∴ So the LCM of the given numbers is 2 x 43 x 495 = 42570
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/42570
Therefore, the GCF of Fractions 432/86,905/990 is 1/42570
Least Common Multiple of 86,990 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 86,990 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(86,990) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(86,990) x common factors =2 x 1 = 2
LCM(86,990) = ( 86 × 990 ) / 2
LCM(86,990) = 85140 / 2
LCM(86,990) = 42570
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FAQs on GCF of Fractions of 432/86, 905/990
1. What is the HCF of 432,905?
The HCF of 432,905 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 432/86, 905/990?
Answer: GCF of Numerators as per given numbers 432/86, 905/990 is
GCF of Numerators i.e. for 432,905 is 1
LCM of denominators i.e. for 86,990 is 42570.
Thus, GCF of Fractions is 1/42570.Finally, GCF of Fractions for 432/86, 905/990 is 1/42570.