education
0.625 as a Fraction
Last updated: May 31, 2026
Written by Blake Boege
Converting a decimal to a fraction expresses a terminating decimal as a ratio of two integers in simplest terms.
Learn how to convert 0.625 as a fraction. See the step-by-step simplification using the greatest common divisor (GCD) and try our interactive converter.
Quick Answer
0.625 as a fraction is 5/8. Calculated by placing 625 over 1000 and simplifying by dividing by the GCD 125.
0.625 = 5/8
Use a terminating decimal like 0.75 or 1.25. · e.g. 0.75
Step by step
- Place the decimal over the power of 10 matching the decimal places (3): 625/1,000
- Divide numerator and denominator by their GCD to simplify: 5/8
Simplified fraction
5/8
0.625 as a fraction
Multiply numerator and denominator to get whole numbers, then divide by GCD.
How it works
To convert the terminating decimal 0.625 to a fraction, place the value over the matching power of 10 and simplify using the Greatest Common Divisor (GCD):
Conversion Steps
1. Unsimplified: 625/1000
2. Simplified (divided by GCD 125): 5/8
How to Simplify 0.625 to a Fraction
Follow these mathematical steps to convert terminating decimals to fractions manually:
1. Identify the number of decimal places (3 places in 0.625).
2. Express the decimal as a fraction over a power of 10 matching those places: 625/1000.
3. Find the Greatest Common Divisor (GCD) of the numerator and denominator, which is 125.
4. Divide both parts by the GCD: 375 ÷ 125 = 3 and 1000 ÷ 125 = 8 (for 3/8) or 625 ÷ 125 = 5 and 1000 ÷ 125 = 8 (for 5/8).
5. Simplified Fraction = 5/8
Common Fraction Equivalents Reference Table
| Fraction | Decimal | Percent |
|---|---|---|
| 1/2 | 0.5 | 50% |
| 1/3 | 0.333… | 33.3% |
| 1/4 | 0.25 | 25% |
| 3/4 | 0.75 | 75% |
| 1/8 | 0.125 | 12.5% |
| 3/8 | 0.375 | 37.5% |
| 5/8 | 0.625 | 62.5% |
| 7/8 | 0.875 | 87.5% |
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Frequently asked questions
0.625 as a fraction is 5/8.
Divide both numerator and denominator by their Greatest Common Divisor (GCD), which is 125. 625 ÷ 125 = 5, and 1000 ÷ 125 = 8, resulting in 5/8.
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