Converting 20.45 to a Fraction
Step-by-step explanation of how to convert 20.45 to a fraction
Result
20.45 =
409
20
Mixed number:
20
9
20
Step 1: Identify the number of decimal places
The decimal 20.45 has 2 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 102 = 100 to eliminate the decimal point.
20.45 × 100 = 2045
Step 3: Write as a fraction
20.45 =
2045
100
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 2045 and 100.
GCD(2045, 100) = 5
Divide both the numerator and denominator by the GCD:
2045
100
=
2045 ÷ 5
100 ÷ 5
=
409
20
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