Converting 12.81438 to a Fraction
Step-by-step explanation of how to convert 12.81438 to a fraction

Result

12.81438 =
640719
50000
Mixed number:
12
40719
50000

Step 1: Identify the number of decimal places

The decimal 12.81438 has 5 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 105 = 100000 to eliminate the decimal point.

12.81438 × 100000 = 1281438

Step 3: Write as a fraction

12.81438 =

1281438
100000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 1281438 and 100000.

GCD(1281438, 100000) = 2

Divide both the numerator and denominator by the GCD:

1281438
100000

=

1281438 ÷ 2
100000 ÷ 2

=

640719
50000
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