Converting 21.507872 to a Fraction
Step-by-step explanation of how to convert 21.507872 to a fraction

Result

21.507872 =
672121
31250
Mixed number:
21
15871
31250

Step 1: Identify the number of decimal places

The decimal 21.507872 has 6 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 106 = 1000000 to eliminate the decimal point.

21.507872 × 1000000 = 21507872

Step 3: Write as a fraction

21.507872 =

21507872
1000000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 21507872 and 1000000.

GCD(21507872, 1000000) = 32

Divide both the numerator and denominator by the GCD:

21507872
1000000

=

21507872 ÷ 32
1000000 ÷ 32

=

672121
31250
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