Jump to any fraction tool, practice drill, game, or guide.
Simplest form answer
27/45 in simplest form is 3/5, found by dividing 27 and 45 by their greatest common factor, 9. As a decimal 3/5 is 0.6, and as a percent it is 60%.
Simplified
3/5
Decimal
0.6
Percent
60%
1. Find the greatest common factor.
The GCF of 27 and 45 is 9.
2. Divide the numerator and denominator by the GCF.
27 ÷ 9 = 3
45 ÷ 9 = 5
3. Write the result.
27/45 simplified is 3/5.
Decimal equivalent
3/5 = 0.6
Percentage equivalent
3/5 = 60%
The filled part represents 3/5 of one whole.
Quoting this answer in homework, a lesson plan, or an article? Copy a ready-made citation.
27/45 in simplest form is 3/5, found by dividing 27 and 45 by their greatest common factor, 9.
ILoveFractions, https://www.ilovefractions.com/tools/fraction-simplifier/27-45/, retrieved
APA
ILoveFractions. (2026). 27/45 Simplified = 3/5. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/fraction-simplifier/27-45/
MLA
"27/45 Simplified = 3/5." ILoveFractions.com, https://www.ilovefractions.com/tools/fraction-simplifier/27-45/. Accessed 2 September 2026.
Use the main fraction simplifier for any numerator and denominator.
Open the Fraction Simplifier