Fraction answer

0.45 as a Fraction = 9/20

0.45 as a fraction is 9/20, written as 45/100 and then reduced by its greatest common factor, 5. The decimal has 2 places, which is why the starting denominator is 100.

Step-by-step conversion

1. Write the decimal over a power of 10.

0.45 = 45/100

2. Find the GCF and divide both parts by it.

45 ÷ 5 = 9

100 ÷ 5 = 20

3. Write the result.

0.45 as a fraction is 9/20.

Visual model

9/20

The filled part represents 9/20 of one whole.

Cite this result

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0.45 as a fraction is 9/20, written as 45/100 and then reduced by its greatest common factor, 5.
ILoveFractions, https://www.ilovefractions.com/tools/decimal-to-fraction-converter/0-45/, retrieved September 2, 2026

APA

ILoveFractions. (2026). 0.45 as a Fraction = 9/20. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/decimal-to-fraction-converter/0-45/

MLA

"0.45 as a Fraction = 9/20." ILoveFractions.com, https://www.ilovefractions.com/tools/decimal-to-fraction-converter/0-45/. Accessed 2 September 2026.

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