Converting 21.80724 to a Fraction
Step-by-step explanation of how to convert 21.80724 to a fraction

Result

21.80724 =
545181
25000
Mixed number:
21
20181
25000

Step 1: Identify the number of decimal places

The decimal 21.80724 has 5 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 105 = 100000 to eliminate the decimal point.

21.80724 × 100000 = 2180724

Step 3: Write as a fraction

21.80724 =

2180724
100000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 2180724 and 100000.

GCD(2180724, 100000) = 4

Divide both the numerator and denominator by the GCD:

2180724
100000

=

2180724 ÷ 4
100000 ÷ 4

=

545181
25000
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