Step by step
- Mixed number to improper: whole × denominator + numerator, over the denominator.
- Whole number: write it over 1.
- Calculate, then turn the answer back into a mixed number if you like.
At a glance
| Example | Working | Answer |
|---|---|---|
| 2 1/3 as improper | (2 × 3 + 1)/3 | 7/3 |
| 4 × 2/5 | 4/1 × 2/5 | 8/5 = 1 3/5 |
| 1 1/2 + 2 3/4 | 6/4 + 11/4 | 17/4 = 4 1/4 |
Related questions
How do I turn 17/4 into a mixed number?
Divide: 17 ÷ 4 = 4 remainder 1, so 4 1/4.
How do I enter a negative mixed number?
Put the minus sign on the whole part, for example −2 1/3.
Can I add a whole number directly?
Yes, add it to the whole part: 3 + 1 2/5 = 4 2/5.
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Open the full fraction calculator →
Updated November 14, 2026.