Converting 21.68448 to a Fraction
Step-by-step explanation of how to convert 21.68448 to a fraction

Result

21.68448 =
67764
3125
Mixed number:
21
2139
3125

Step 1: Identify the number of decimal places

The decimal 21.68448 has 5 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 105 = 100000 to eliminate the decimal point.

21.68448 × 100000 = 2168448

Step 3: Write as a fraction

21.68448 =

2168448
100000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 2168448 and 100000.

GCD(2168448, 100000) = 32

Divide both the numerator and denominator by the GCD:

2168448
100000

=

2168448 ÷ 32
100000 ÷ 32

=

67764
3125
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