Simplest form answer

3/12 Simplified = 1/4

3/12 in simplest form is 1/4, found by dividing 3 and 12 by their greatest common factor, 3. As a decimal 1/4 is 0.25, and as a percent it is 25%.

Simplified

1/4

Decimal

0.25

Percent

25%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 3 and 12 is 3.

2. Divide the numerator and denominator by the GCF.

3 ÷ 3 = 1

12 ÷ 3 = 4

3. Write the result.

3/12 simplified is 1/4.

Decimal and percentage equivalents

Decimal equivalent

1/4 = 0.25

Percentage equivalent

1/4 = 25%

Visual fraction bar

25%

The filled part represents 1/4 of one whole.

Cite this result

Quoting this answer in homework, a lesson plan, or an article? Copy a ready-made citation.

3/12 in simplest form is 1/4, found by dividing 3 and 12 by their greatest common factor, 3.
ILoveFractions, https://www.ilovefractions.com/tools/fraction-simplifier/3-12/, retrieved September 2, 2026

APA

ILoveFractions. (2026). 3/12 Simplified = 1/4. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/fraction-simplifier/3-12/

MLA

"3/12 Simplified = 1/4." ILoveFractions.com, https://www.ilovefractions.com/tools/fraction-simplifier/3-12/. Accessed 2 September 2026.

Need to simplify a different fraction?

Use the main fraction simplifier for any numerator and denominator.

Open the Fraction Simplifier