Decimal to Fraction Conversion:
From: | To: |
The decimal 0.571428571429 is equivalent to the fraction 4/7. This is a repeating decimal that exactly represents the fraction four sevenths.
The conversion process involves finding the nearest integer ratio that represents the decimal value:
Steps:
Mathematical Basis: The fraction 4/7 is exactly equal to 0.571428571428... with "571428" repeating infinitely. The calculator shows the closest fraction representation based on the selected precision level.
Instructions: Enter any decimal number (0.571428571429 is pre-filled), select the desired precision level, and click "Convert" to see the fractional equivalent.
Q1: Why does 0.571428571429 equal 4/7?
A: When you divide 4 by 7, you get the repeating decimal 0.571428571428..., making 4/7 the exact fractional equivalent.
Q2: What's the difference between precision levels?
A: Low precision gives simple fractions (1/2, 1/4), medium offers more precision (1/8, 1/16), and high calculates the exact fraction.
Q3: Can all decimals be converted to exact fractions?
A: Only terminating or repeating decimals can be exactly converted. Irrational numbers can only be approximated.
Q4: Why does 4/7 repeat?
A: When the denominator (after simplifying) has prime factors other than 2 or 5, the decimal representation repeats.
Q5: How accurate is this conversion?
A: The high-precision mode is mathematically exact for rational numbers. Lower precision modes provide practical approximations.