Fraction Calculator
Add, subtract, multiply, divide & simplify
Fraction Arithmetic
Simplify a Fraction
Fraction β Decimal Chart
| Fraction | Decimal | Fraction | Decimal |
|---|---|---|---|
| 1/2 | 0.5 | 3/8 | 0.375 |
| 1/3 | 0.3333 | 5/8 | 0.625 |
| 2/3 | 0.6667 | 7/8 | 0.875 |
| 1/4 | 0.25 | 1/10 | 0.1 |
| 3/4 | 0.75 | 1/16 | 0.0625 |
| 1/5 | 0.2 | 3/16 | 0.1875 |
| 2/5 | 0.4 | 5/16 | 0.3125 |
| 3/5 | 0.6 | 7/16 | 0.4375 |
| 4/5 | 0.8 | 9/16 | 0.5625 |
| 1/6 | 0.1667 | 11/16 | 0.6875 |
| 5/6 | 0.8333 | 13/16 | 0.8125 |
| 1/8 | 0.125 | 15/16 | 0.9375 |
Sixteenths are common in inch measurements (tools & lumber).
FAQ
How do I add fractions?
Convert to a common denominator (the LCM of both denominators), then add the numerators. Example: 1/2 + 1/3 = 3/6 + 2/6 = 5/6.
How do I simplify a fraction?
Divide numerator and denominator by their greatest common factor. Example: 12/18 has GCF 6, so it reduces to 2/3.
How do I turn a mixed number into an improper fraction?
Multiply the whole part by the denominator and add the numerator: 2 3/4 = (2Γ4+3)/4 = 11/4. The calculator does this automatically.
How do I convert a fraction to a decimal?
Divide the numerator by the denominator: 3/8 = 0.375. Results include the decimal, and the chart below lists common values.
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