Converting 21.78824 to a Fraction
Step-by-step explanation of how to convert 21.78824 to a fraction
Result
21.78824 =
272353
12500
Mixed number:
21
9853
12500
Step 1: Identify the number of decimal places
The decimal 21.78824 has 5 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 105 = 100000 to eliminate the decimal point.
21.78824 × 100000 = 2178824
Step 3: Write as a fraction
21.78824 =
2178824
100000
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 2178824 and 100000.
GCD(2178824, 100000) = 8
Divide both the numerator and denominator by the GCD:
2178824
100000
=
2178824 ÷ 8
100000 ÷ 8
=
272353
12500
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