Math Calculator

Mixed Number to Improper Fraction Calculator

Combine a whole number and a fraction into one improper fraction ready for further math.

Enter a mixed number

Fill in the whole part, numerator, and denominator.

Clear

About this calculator

How to use Mixed Number to Improper Fraction Calculator, plus the formulas and logic behind the results.

Tool description

Convert mixed numbers to improper fractions so you can add, subtract, multiply, or divide them more easily.

How to use

  1. Enter the whole-number part.
  2. Enter the fractional numerator and denominator.
  3. Select Calculate to get the improper fraction.
  4. Use the decimal result to double-check the value.

Formulas & reference

  • Improper numerator = whole × denominator + numerator
  • Result = improper numerator / denominator (simplified)

Examples

  • 3 1/2 = 7/2
  • 1 2/5 = 7/5
  • 0 3/4 = 3/4
  • 2 0/5 = 2

Calculation logic

The whole part is scaled by the denominator and combined with the numerator, then reduced with the GCD.

This is the reverse of converting an improper fraction to a mixed number.

Mixed Number to Improper Fraction Calculator FAQ

Common questions about this calculator and how to use the results.

Why convert mixed numbers to improper fractions?

Improper fractions are easier to multiply, divide, and compare in many calculations.

What is the conversion formula?

Multiply the whole by the denominator, add the numerator, and keep the denominator.

Does the answer get simplified?

Yes. The improper fraction is always reduced to lowest terms.

Can the fractional part be improper?

You can enter any integers; the calculator still combines and simplifies the result.

What if the numerator is zero?

The result is simply the whole number as a fraction with denominator 1 after simplifying.

Are negatives allowed?

Yes. Negative mixed numbers convert to negative improper fractions.