CalcunautWhat is 42.85 as a Fraction?
Learn how to convert 42.85 to a fraction with step-by-step instructions
Quick Answer
42.85 as a fraction is:
857/20
This is the simplest form of the fraction
42.85 Decimal to Fraction Calculator
Convert Any Decimal to a Fraction
Enter a decimal number to see its fraction equivalent
How to Convert 42.85 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 42.85 to a Fraction
Let's apply the method to convert 42.85
Count the decimal places in 42.85
Multiply by 10⁵ (100)
Write as a fraction
Simplify the fraction
Final Result
42.85 = 857/20
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 42.85 often result in fractions with large denominators
Related Decimal to Fraction Conversions
| Decimal | Fraction | Comparison |
|---|---|---|
| 4.285 | 85.7/20 | Smaller |
| 42.85 | 857/20 | Current Value |
| 428.5 | 8570/20 | Larger |
| 4285 | 85700/20 | Larger |
| 42850 | 857000/20 | Larger |
Additional Information
Scientific Notation
42.85 can be written as 857 × 10⁻2 in scientific notation
Percentage
42.85 is equal to 4285.000% as a percentage
Common Calculations with 42.85
Quick Reference Guide
Common calculations and conversions with 42.85
Multiplication
- 42.85 × 10 = 428.5
- 42.85 × 100 = 4285
- 42.85 × 1000 = 42850
- 42.85 × 10000 = 428500
- 42.85 × 20 = 857
Division
- 42.85 ÷ 2 = 21.425
- 42.85 ÷ 5 = 8.57
- 42.85 ÷ 10 = 4.285
- 42.85 ÷ 1/42.85 = 20
42.85 in Different Number Systems
Decimal
42.85
Scientific Notation
857 × 10⁻2
Percentage
4285.000%
Fraction
857/20
Parts Per Million
42850000 PPM
Binary
0.1000 0101
Real-World Applications of 42.85
Where You Might Encounter 42.85
Scientific Applications
- • Microscopic measurements (42850000 micrometers)
- • Chemical concentrations
- • Statistical probability calculations
- • Error margins in precise measurements
Engineering
- • Manufacturing tolerances
- • Electronic component specifications
- • Quality control measurements
- • Precision engineering