Fraction Simplifier
Reduce a fraction to lowest terms and as a mixed number.
Change the values and press Calculate to work out your own figures.
Enter the numerator and denominator.
Show the working
- Greatest common factor of 21 and 6: 3
- Divide both by 3: 7/2
How to use it
Enter the numerator and denominator.
Numbers can be whole numbers, decimals (0.75), fractions (3/4), mixed numbers (1 1/2), repeating decimals (0.(3)) and, where a percent is asked for, percentages (75%). Show the working gives each step.
Key facts
divide top and bottom by their GCF
Lowest terms
A fraction is in lowest terms when its numerator and denominator have no common factor but 1.
Questions
What is 21/6 in lowest terms?
7/2 = 3 1/2.
And 18/24?
3/4.
Formulas
divide top and bottom by their GCF
Sources
Limitations
- Numbers have at most 120 digits.