Converting 21.2125 to a Fraction
Step-by-step explanation of how to convert 21.2125 to a fraction
Result
21.2125 =
1697
80
Mixed number:
21
17
80
Step 1: Identify the number of decimal places
The decimal 21.2125 has 4 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 104 = 10000 to eliminate the decimal point.
21.2125 × 10000 = 212125
Step 3: Write as a fraction
21.2125 =
212125
10000
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 212125 and 10000.
GCD(212125, 10000) = 125
Divide both the numerator and denominator by the GCD:
212125
10000
=
212125 ÷ 125
10000 ÷ 125
=
1697
80
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