Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Simplify Fractions Calculator

Reduce a fraction to lowest terms by dividing numerator and denominator by their greatest common divisor (GCD). Returns simplified fraction or mixed number.

Numerator

Denominator

Output format

Fill in the required fields to see your result.

Number Theory

LCM Calculator

Find the least common multiple — the smallest positive integer that two numbers both divide into evenly. It is essential for adding fractions, scheduling repeating events, and aligning cycles.

First Number

Second Number

Fill in the required fields to see your result.

Key differences

	Simplify Fractions Calculator	LCM Calculator
Category	Math	Number Theory
Inputs required	3	2
Result	Simplified fraction	Least Common Multiple
What it does	Reduce a fraction to lowest terms by dividing numerator and denominator by their greatest common divisor (GCD). Returns simplified fraction or mixed number.	Find the least common multiple — the smallest positive integer that two numbers both divide into evenly. It is essential for adding fractions, scheduling repeating events, and aligning cycles.