What is 8.45 as a Fraction?

Learn how to convert 8.45 to a fraction with step-by-step instructions

Quick Answer

8.45 as a fraction is:

169/20

This is the simplest form of the fraction

8.45 Decimal to Fraction Calculator

Convert Any Decimal to a Fraction

Enter a decimal number to see its fraction equivalent

How to Convert 8.45 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 8.45 to a Fraction

Let's apply the method to convert 8.45

1

Count the decimal places in 8.45

8.45
There are 2 digits after the decimal point
2

Multiply by 10 (100)

8.45 × 100 = 845
Moving the decimal point 2 places right
3

Write as a fraction

845/100
Numerator: 845, Denominator: 100
4

Simplify the fraction

845/100 = 169/20
Divide both numbers by their greatest common factor (5)

Final Result

8.45 = 169/20

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 8.45 often result in fractions with large denominators
DecimalFractionComparison
0.84516.9/20Smaller
8.45169/20Current Value
84.51690/20Larger
84516900/20Larger
8450169000/20Larger

Additional Information

Scientific Notation

8.45 can be written as 169 × 10⁻2 in scientific notation

Percentage

8.45 is equal to 845.000% as a percentage

Common Calculations with 8.45

Quick Reference Guide

Common calculations and conversions with 8.45

Multiplication

  • 8.45 × 10 = 84.5
  • 8.45 × 100 = 844.9999999999999
  • 8.45 × 1000 = 8450
  • 8.45 × 10000 = 84500
  • 8.45 × 20 = 169

Division

  • 8.45 ÷ 2 = 4.225
  • 8.45 ÷ 5 = 1.69
  • 8.45 ÷ 10 = 0.845
  • 8.45 ÷ 1/8.45 = 20

8.45 in Different Number Systems

Decimal

8.45

Scientific Notation

169 × 10⁻2

Percentage

845.000%

Fraction

169/20

Parts Per Million

8450000 PPM

Binary

0.0100 0101

Real-World Applications of 8.45

Where You Might Encounter 8.45

Scientific Applications

  • • Microscopic measurements (8450000 micrometers)
  • • Chemical concentrations
  • • Statistical probability calculations
  • • Error margins in precise measurements

Engineering

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