Simplest form answer

9/45 Simplified = 1/5

9/45 in simplest form is 1/5, found by dividing 9 and 45 by their greatest common factor, 9. As a decimal 1/5 is 0.2, and as a percent it is 20%.

Simplified

1/5

Decimal

0.2

Percent

20%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 9 and 45 is 9.

2. Divide the numerator and denominator by the GCF.

9 ÷ 9 = 1

45 ÷ 9 = 5

3. Write the result.

9/45 simplified is 1/5.

Decimal and percentage equivalents

Decimal equivalent

1/5 = 0.2

Percentage equivalent

1/5 = 20%

Visual fraction bar

20%

The filled part represents 1/5 of one whole.

Cite this result

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9/45 in simplest form is 1/5, found by dividing 9 and 45 by their greatest common factor, 9.
ILoveFractions, https://www.ilovefractions.com/tools/fraction-simplifier/9-45/, retrieved September 2, 2026

APA

ILoveFractions. (2026). 9/45 Simplified = 1/5. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/fraction-simplifier/9-45/

MLA

"9/45 Simplified = 1/5." ILoveFractions.com, https://www.ilovefractions.com/tools/fraction-simplifier/9-45/. Accessed 2 September 2026.

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