Least Common Multiple of 5/51, 6/21, 7/30, 31/810

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Know Least Common Multiple of fractions 5/51, 6/21, 7/30, 31/810 quickly i.e. 2170 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.

Least Common Multiple (LCM) of 5/51, 6/21, 7/30, 31/810 is 2170.

LCM(5/51, 6/21, 7/30, 31/810) = 2170

LCM of 5/51, 6/21, 7/30, 31/810

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

LCM of:

Least Common Multiple of 5/51,6/21,7/30,31/810

Given numbers are 5/51,6/21,7/30,31/810

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 5,6,7,31

Least Common Multiple of Numerators i.e. LCM of 5,6,7,31 is 6510.

GCF of Denominators means GCF of 51,21,30,810 as per the given fractions.

GCF of 51,21,30,810 is 3 as it is the largest common factor for these numbers.

Lets's calculate LCM of 5,6,7,31

LCM of Fractions 5/51,6/21,7/30,31/810 is 2170

Given numbers has no common factors except 1. So, there LCM is their product i.e 6510

Least Common Multiple of 5,6,7,31 with GCF Formula

Least Common Multiple of 5,6,7,31 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 5,6,7,31 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(5,6,7,31) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(5,6,7,31) x common factors =1 x 1 = 1

LCM(5,6,7,31) = ( 5 × 6 × 7 × 31 ) / 1

LCM(5,6,7,31) = 6510 / 1

LCM(5,6,7,31) = 6510


Lets's calculate GCF of 51,21,30,810

3 51, 21, 30, 810
17, 7, 10, 270

∴ So the GCF of the given numbers is 3 = 3

Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 6510/3

Therefore the LCM of Fractions 5/51,6/21,7/30,31/810 is 2170

Greatest Common Factor of 51,21,30,810 By Matching Biggest Common Factor Method

Greatest Common Factor of 51,21,30,810 By Matching Biggest Common Factor Method

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Greatest Common Factor

We found the factors 51,21,30,810 . The biggest common factor number is the GCF number.
So the greatest common factor 51,21,30,810 is 3.


LCM of Fractions Calculation Examples

Here are some samples of LCM of Fractions calculations.

LCM of Fractions Calculation Examples

Here are some samples of LCM of Fractions calculations.

Frequently Asked Questions on Fractional LCM of 5/51, 6/21, 7/30, 31/810

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 5/51, 6/21, 7/30, 31/810?

Answer: LCM of Numerators as per given numbers 5/51, 6/21, 7/30, 31/810 is

LCM of Numerators i.e. for 5,6,7,31 is 6510

GCF of denominators i.e. for 51,21,30,810 is 3.

Thus, LCM of Fractions is 2170.Finally, LCM of Fractions for 5/51, 6/21, 7/30, 31/810 is 2170.