Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Know Least Common Multiple of fractions 70/54, 30/90, 96/27, 28/49 quickly i.e. 3360 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.
Least Common Multiple (LCM) of 70/54, 30/90, 96/27, 28/49 is 3360.
LCM(70/54, 30/90, 96/27, 28/49) = 3360
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given numbers are 70/54,30/90,96/27,28/49
Formula to find LCM of Fractions is
LCM = LCM of Numerators/GCF of Denominators
As per the formula LCM of Fractions let’s split into two parts and find the LCM of Numerators and GCF of Denominators
In the given fractions LCM of Numerators means LCM of 70,30,96,28
Least Common Multiple of Numerators i.e. LCM of 70,30,96,28 is 3360.
GCF of Denominators means GCF of 54,90,27,49 as per the given fractions.
GCF of 54,90,27,49 is 1 as it is the largest common factor for these numbers.
Lets's calculate LCM of 70,30,96,28
2 | 70, 30, 96, 28 |
2 | 35, 15, 48, 14 |
3 | 35, 15, 24, 7 |
5 | 35, 5, 8, 7 |
7 | 7, 1, 8, 7 |
1, 1, 8, 1 |
∴ So the LCM of the given numbers is 2 x 2 x 3 x 5 x 7 x 1 x 1 x 8 x 1 = 3360
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 70,30,96,28 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(70,30,96,28) = 2
common factors(in case of two or more numbers have common factors) = 840
GCF(70,30,96,28) x common factors =2 x 840 = 1680
LCM(70,30,96,28) = ( 70 × 30 × 96 × 28 ) / 1680
LCM(70,30,96,28) = 5644800 / 1680
LCM(70,30,96,28) = 3360
Lets's calculate GCF of 54,90,27,49
∴ So GCF of numbers is 1 because of no common factors present between them.
Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 3360/1
Therefore the LCM of Fractions 70/54,30/90,96/27,28/49 is 3360
Factors of 54
List of positive integer factors of 54 that divides 54 without a remainder.
1,2,3,6,9,18,27,54
Factors of 90
List of positive integer factors of 90 that divides 90 without a remainder.
1,2,3,5,6,9,10,15,18,30,45,90
Factors of 27
List of positive integer factors of 27 that divides 27 without a remainder.
1,3,9,27
Factors of 49
List of positive integer factors of 49 that divides 49 without a remainder.
1,7,49
Greatest Common Factor
We found the factors 54,90,27,49 . The biggest common factor number is the GCF number.
So the greatest common factor 54,90,27,49 is 1.
Here are some samples of LCM of Fractions calculations.
Here are some samples of LCM of Fractions calculations.
1. How to find LCM in Fractions?
Answer: LCM of fractions can be found using the simple formula LCM of Fractions = LCM of Numerators/GCF of Denominators.
2. What is the LCM of Fractions for 70/54, 30/90, 96/27, 28/49?
Answer: LCM of Numerators as per given numbers 70/54, 30/90, 96/27, 28/49 is
LCM of Numerators i.e. for 70,30,96,28 is 3360
GCF of denominators i.e. for 54,90,27,49 is 1.
Thus, LCM of Fractions is 3360.Finally, LCM of Fractions for 70/54, 30/90, 96/27, 28/49 is 3360.