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How to Calculate Decimal to Fraction

What is Decimal to Fraction?

Write the decimal as a fraction over a power of 10, then simplify by dividing by the GCD. Repeating decimals like 0.333... = 1/3 require algebraic manipulation.

Formula

Write over power of 10: 0.75 = 75/100

Step-by-Step Guide

  1. 1Write over power of 10: 0.75 = 75/100
  2. 2Find GCD and simplify: 75/100 → GCD=25 → 3/4

Worked Examples

Input
0.625
Result
5/8
625/1000 → GCD=125 → 5/8
Input
0.333...
Result
1/3
Repeating decimal

Frequently Asked Questions

What is Decimal To Fraction?

Write the decimal as a fraction over a power of 10, then simplify by dividing by the GCD. Repeating decimals like 0

How accurate is the Decimal To Fraction calculator?

The calculator uses the standard published formula for decimal to fraction. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Decimal To Fraction calculator use?

This calculator works with inches, watts. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Decimal To Fraction calculator use?

The core formula is: Write over power of 10: 0.75 = 75/100. Each step in the calculation is shown so you can verify the result manually.

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