Simplest form answer

12/18 Simplified = 2/3

12/18 in simplest form is 2/3, found by dividing 12 and 18 by their greatest common factor, 6. As a decimal 2/3 is 0.6667..., and as a percent it is 66.6667...%.

Simplified

2/3

Decimal

0.6667...

Percent

66.6667...%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 12 and 18 is 6.

2. Divide the numerator and denominator by the GCF.

12 ÷ 6 = 2

18 ÷ 6 = 3

3. Write the result.

12/18 simplified is 2/3.

Decimal and percentage equivalents

Decimal equivalent

2/3 = 0.6667...

Percentage equivalent

2/3 = 66.6667...%

Visual fraction bar

66.6667...%

The filled part represents 2/3 of one whole.

Cite this result

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12/18 in simplest form is 2/3, found by dividing 12 and 18 by their greatest common factor, 6.
ILoveFractions, https://www.ilovefractions.com/tools/fraction-simplifier/12-18/, retrieved September 2, 2026

APA

ILoveFractions. (2026). 12/18 Simplified = 2/3. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/fraction-simplifier/12-18/

MLA

"12/18 Simplified = 2/3." ILoveFractions.com, https://www.ilovefractions.com/tools/fraction-simplifier/12-18/. Accessed 2 September 2026.

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