Converting 0.420391 to a Fraction
Step-by-step explanation of how to convert 0.420391 to a fraction

Result

0.420391 =
420391
1000000

Step 1: Identify the number of decimal places

The decimal 0.420391 has 6 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 106 = 1000000 to eliminate the decimal point.

0.420391 × 1000000 = 420391

Step 3: Write as a fraction

0.420391 =

420391
1000000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 420391 and 1000000.

GCD(420391, 1000000) = 1

Divide both the numerator and denominator by the GCD:

420391
1000000

=

420391 ÷ 1
1000000 ÷ 1

=

420391
1000000
Related Conversions
Other decimal to fraction conversions you might find useful