Converting 21.20904 to a Fraction
Step-by-step explanation of how to convert 21.20904 to a fraction

Result

21.20904 =
265113
12500
Mixed number:
21
2613
12500

Step 1: Identify the number of decimal places

The decimal 21.20904 has 5 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 105 = 100000 to eliminate the decimal point.

21.20904 × 100000 = 2120904

Step 3: Write as a fraction

21.20904 =

2120904
100000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 2120904 and 100000.

GCD(2120904, 100000) = 8

Divide both the numerator and denominator by the GCD:

2120904
100000

=

2120904 ÷ 8
100000 ÷ 8

=

265113
12500
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