Converting 4.21 to a Fraction
Step-by-step explanation of how to convert 4.21 to a fraction
Result
4.21 =
421
100
Mixed number:
4
21
100
Step 1: Identify the number of decimal places
The decimal 4.21 has 2 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 102 = 100 to eliminate the decimal point.
4.21 × 100 = 421
Step 3: Write as a fraction
4.21 =
421
100
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 421 and 100.
GCD(421, 100) = 1
Divide both the numerator and denominator by the GCD:
421
100
=
421 ÷ 1
100 ÷ 1
=
421
100
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