Mixed Number Calculator
Convert and add mixed numbers.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Sum
- 4 7/12
- As improper fraction
- 55/12
- As decimal
- 4.583333
- First as improper
- 11/4
- Second as improper
- 11/6
Quick answer
A mixed number combines a whole number and a proper fraction; multiply the whole by the denominator and add the numerator to convert it.
a b/c = (ac + b)/c
How to use the Mixed Number Calculator
- 1Enter the whole part, numerator and denominator of each number.
- 2Read the simplified sum.
- 3Leave the second number at zero to just convert the first.
Frequently asked questions
What is an improper fraction?
One where the numerator is larger than the denominator, like 11/4.
How do I subtract?
Enter the second numerator as a negative number.