Converting 21.428256 to a Fraction
Step-by-step explanation of how to convert 21.428256 to a fraction

Result

21.428256 =
669633
31250
Mixed number:
21
13383
31250

Step 1: Identify the number of decimal places

The decimal 21.428256 has 6 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 106 = 1000000 to eliminate the decimal point.

21.428256 × 1000000 = 21428256

Step 3: Write as a fraction

21.428256 =

21428256
1000000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 21428256 and 1000000.

GCD(21428256, 1000000) = 32

Divide both the numerator and denominator by the GCD:

21428256
1000000

=

21428256 ÷ 32
1000000 ÷ 32

=

669633
31250
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