CalcunautWhat is 1.55 as a Fraction?
Learn how to convert 1.55 to a fraction with step-by-step instructions
Quick Answer
1.55 as a fraction is:
31/20
This is the simplest form of the fraction
1.55 Decimal to Fraction Calculator
Convert Any Decimal to a Fraction
Enter a decimal number to see its fraction equivalent
How to Convert 1.55 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 1.55 to a Fraction
Let's apply the method to convert 1.55
Count the decimal places in 1.55
Multiply by 10⁵ (100)
Write as a fraction
Simplify the fraction
Final Result
1.55 = 31/20
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 1.55 often result in fractions with large denominators
Related Decimal to Fraction Conversions
| Decimal | Fraction | Comparison |
|---|---|---|
| 0.155 | 3.1/20 | Smaller |
| 1.55 | 31/20 | Current Value |
| 15.5 | 310/20 | Larger |
| 155 | 3100/20 | Larger |
| 1550 | 31000/20 | Larger |
Additional Information
Scientific Notation
1.55 can be written as 31 × 10⁻2 in scientific notation
Percentage
1.55 is equal to 155.000% as a percentage
Common Calculations with 1.55
Quick Reference Guide
Common calculations and conversions with 1.55
Multiplication
- 1.55 × 10 = 15.5
- 1.55 × 100 = 155
- 1.55 × 1000 = 1550
- 1.55 × 10000 = 15500
- 1.55 × 20 = 31
Division
- 1.55 ÷ 2 = 0.775
- 1.55 ÷ 5 = 0.31
- 1.55 ÷ 10 = 0.155
- 1.55 ÷ 1/1.55 = 20
1.55 in Different Number Systems
Decimal
1.55
Scientific Notation
31 × 10⁻2
Percentage
155.000%
Fraction
31/20
Parts Per Million
1550000 PPM
Binary
0.0101 0101
Real-World Applications of 1.55
Where You Might Encounter 1.55
Scientific Applications
- • Microscopic measurements (1550000 micrometers)
- • Chemical concentrations
- • Statistical probability calculations
- • Error margins in precise measurements
Engineering
- • Manufacturing tolerances
- • Electronic component specifications
- • Quality control measurements
- • Precision engineering