What is 20.18 as a Fraction?

Learn how to convert 20.18 to a fraction with step-by-step instructions

Quick Answer

20.18 as a fraction is:

1009/50

This is the simplest form of the fraction

20.18 Decimal to Fraction Calculator

Convert Any Decimal to a Fraction

Enter a decimal number to see its fraction equivalent

How to Convert 20.18 to a Fraction

General Method: Converting Decimals to Fractions

Follow these steps to convert any decimal to a fraction

Step 1: Count Decimal Places

Count the number of digits after the decimal point

Example: 0.25 has 2 decimal places

Step 2: Multiply by Power of 10

Multiply by 10 raised to the number of decimal places

0.25 × 100 = 25

Step 3: Create Fraction

Use the result as numerator over the multiplier as denominator

25/100

Step 4: Simplify

Reduce the fraction if possible by dividing both numbers by their GCD

25/100 = 1/4

Converting 20.18 to a Fraction

Let's apply the method to convert 20.18

1

Count the decimal places in 20.18

20.18
There are 2 digits after the decimal point
2

Multiply by 10 (100)

20.18 × 100 = 2018
Moving the decimal point 2 places right
3

Write as a fraction

2018/100
Numerator: 2018, Denominator: 100
4

Simplify the fraction

2018/100 = 1009/50
Divide both numbers by their greatest common factor (2)

Final Result

20.18 = 1009/50

Tips and Notes

  • The denominator will always be a power of 10 for terminating decimals
  • Each decimal place corresponds to multiplying by 10 (e.g., 2 places = 100)
  • Very small decimals like 20.18 often result in fractions with large denominators
DecimalFractionComparison
2.018100.9/50Smaller
20.181009/50Current Value
201.810090/50Larger
2018100900/50Larger
201801009000/50Larger

Additional Information

Scientific Notation

20.18 can be written as 1009 × 10⁻2 in scientific notation

Percentage

20.18 is equal to 2018.000% as a percentage

Common Calculations with 20.18

Quick Reference Guide

Common calculations and conversions with 20.18

Multiplication

  • 20.18 × 10 = 201.8
  • 20.18 × 100 = 2018
  • 20.18 × 1000 = 20180
  • 20.18 × 10000 = 201800
  • 20.18 × 50 = 1009

Division

  • 20.18 ÷ 2 = 10.09
  • 20.18 ÷ 5 = 4.036
  • 20.18 ÷ 10 = 2.018
  • 20.18 ÷ 1/20.18 = 50

20.18 in Different Number Systems

Decimal

20.18

Scientific Notation

1009 × 10⁻2

Percentage

2018.000%

Fraction

1009/50

Parts Per Million

20180000 PPM

Binary

0.0001 1000

Real-World Applications of 20.18

Where You Might Encounter 20.18

Scientific Applications

  • • Microscopic measurements (20180000 micrometers)
  • • Chemical concentrations
  • • Statistical probability calculations
  • • Error margins in precise measurements

Engineering

  • • Manufacturing tolerances
  • • Electronic component specifications
  • • Quality control measurements
  • • Precision engineering