Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 79/84,66/62,39/25,78/890
Formula to find GCF of Fractions is
GCF = GCF of Numerators/LCM of Denominators
As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators
In the given fractions GCF of Numerators means GCF of 79,66,39,78
Greatest Common Factor of Numerators i.e. GCF of 79,66,39,78 is 1 .
LCM of Denominators means LCM of 84,62,25,890 as per the given fractions.
LCM of 84,62,25,890 is 5793900 as it is the smallest common factor for both these numbers.
Lets's calculate GCF of 79,66,39,78
∴ So GCF of numbers is 1 because of no common factors present between them.
Factors of 79
List of positive integer factors of 79 that divides 79 without a remainder.
1,79
Factors of 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Factors of 39
List of positive integer factors of 39 that divides 39 without a remainder.
1,3,13,39
Factors of 78
List of positive integer factors of 78 that divides 78 without a remainder.
1,2,3,6,13,26,39,78
Greatest Common Factor
We found the factors 79,66,39,78 . The biggest common factor number is the GCF number.
So the greatest common factor 79,66,39,78 is 1.
Lets's calculate LCM of 84,62,25,890
2 | 84, 62, 25, 890 |
5 | 42, 31, 25, 445 |
42, 31, 5, 89 |
∴ So the LCM of the given numbers is 2 x 5 x 42 x 31 x 5 x 89 = 5793900
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/5793900
Therefore, the GCF of Fractions 79/84,66/62,39/25,78/890 is 1/5793900
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 84,62,25,890 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(84,62,25,890) = 1
common factors(in case of two or more numbers have common factors) = 20
GCF(84,62,25,890) x common factors =1 x 20 = 20
LCM(84,62,25,890) = ( 84 × 62 × 25 × 890 ) / 20
LCM(84,62,25,890) = 115878000 / 20
LCM(84,62,25,890) = 5793900
Here are some samples of GCF of Fractions calculations.
Here are some samples of GCF of Fractions calculations.
1. 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.
2. What is the GCF of Fractions for 79/84, 66/62, 39/25, 78/890?
Answer: GCF of Numerators as per given numbers 79/84, 66/62, 39/25, 78/890 is
GCF of Numerators i.e. for 79,66,39,78 is 1
LCM of denominators i.e. for 84,62,25,890 is 5793900.
Thus, GCF of Fractions is 1/5793900.Finally, GCF of Fractions for 79/84, 66/62, 39/25, 78/890 is 1/5793900.