Converting 0.2121 to a Fraction
Step-by-step explanation of how to convert 0.2121 to a fraction
Result
0.2121 =
2121
10000
Step 1: Identify the number of decimal places
The decimal 0.2121 has 4 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 104 = 10000 to eliminate the decimal point.
0.2121 × 10000 = 2121
Step 3: Write as a fraction
0.2121 =
2121
10000
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 2121 and 10000.
GCD(2121, 10000) = 1
Divide both the numerator and denominator by the GCD:
2121
10000
=
2121 ÷ 1
10000 ÷ 1
=
2121
10000
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