A proper fraction is a fraction with such that . A fraction is called an improper fraction.

# Proper Fraction

## See also

Common Fraction, Fraction, Mixed Fraction, Improper Fraction, Irreducible Fraction, Reduced Fraction, Reducible Fraction## Explore with Wolfram|Alpha

## References

Derbyshire, J.*Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics.*New York: Penguin, p. 171, 2004.

## Referenced on Wolfram|Alpha

Proper Fraction## Cite this as:

Weisstein, Eric W. "Proper Fraction."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/ProperFraction.html