Least Common Multiple of 90/92, 80/78, 64/47, 42/83

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Know Least Common Multiple of fractions 90/92, 80/78, 64/47, 42/83 quickly i.e. 20160 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.

Least Common Multiple (LCM) of 90/92, 80/78, 64/47, 42/83 is 20160.

LCM(90/92, 80/78, 64/47, 42/83) = 20160

LCM of 90/92, 80/78, 64/47, 42/83

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 90/92,80/78,64/47,42/83

Given numbers are 90/92,80/78,64/47,42/83

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 90,80,64,42

Least Common Multiple of Numerators i.e. LCM of 90,80,64,42 is 20160.

GCF of Denominators means GCF of 92,78,47,83 as per the given fractions.

GCF of 92,78,47,83 is 1 as it is the largest common factor for these numbers.

Lets's calculate LCM of 90,80,64,42

LCM of Fractions 90/92,80/78,64/47,42/83 is 20160

2 90, 80, 64, 42
2 45, 40, 32, 21
2 45, 20, 16, 21
2 45, 10, 8, 21
3 45, 5, 4, 21
5 15, 5, 4, 7
3, 1, 4, 7

∴ So the LCM of the given numbers is 2 x 2 x 2 x 2 x 3 x 5 x 3 x 1 x 4 x 7 = 20160

Least Common Multiple of 90,80,64,42 with GCF Formula

Least Common Multiple of 90,80,64,42 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 90,80,64,42 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(90,80,64,42) = 2

common factors(in case of two or more numbers have common factors) = 480

GCF(90,80,64,42) x common factors =2 x 480 = 960

LCM(90,80,64,42) = ( 90 × 80 × 64 × 42 ) / 960

LCM(90,80,64,42) = 19353600 / 960

LCM(90,80,64,42) = 20160


Lets's calculate GCF of 92,78,47,83

∴ So GCF of numbers is 1 because of no common factors present between them.

Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 20160/1

Therefore the LCM of Fractions 90/92,80/78,64/47,42/83 is 20160

Greatest Common Factor of 92,78,47,83 By Matching Biggest Common Factor Method

Greatest Common Factor of 92,78,47,83 By Matching Biggest Common Factor Method

Factors of 92

List of positive integer factors of 92 that divides 92 without a remainder.

1,2,4,23,46,92

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Greatest Common Factor

We found the factors 92,78,47,83 . The biggest common factor number is the GCF number.
So the greatest common factor 92,78,47,83 is 1.


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 90/92, 80/78, 64/47, 42/83

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 90/92, 80/78, 64/47, 42/83?

Answer: LCM of Numerators as per given numbers 90/92, 80/78, 64/47, 42/83 is

LCM of Numerators i.e. for 90,80,64,42 is 20160

GCF of denominators i.e. for 92,78,47,83 is 1.

Thus, LCM of Fractions is 20160.Finally, LCM of Fractions for 90/92, 80/78, 64/47, 42/83 is 20160.