Simplest form answer

10/18 Simplified = 5/9

10/18 in simplest form is 5/9, found by dividing 10 and 18 by their greatest common factor, 2. As a decimal 5/9 is 0.5556..., and as a percent it is 55.5556...%.

Simplified

5/9

Decimal

0.5556...

Percent

55.5556...%

Step-by-step GCF reduction

1. Find the greatest common factor.

The GCF of 10 and 18 is 2.

2. Divide the numerator and denominator by the GCF.

10 ÷ 2 = 5

18 ÷ 2 = 9

3. Write the result.

10/18 simplified is 5/9.

Decimal and percentage equivalents

Decimal equivalent

5/9 = 0.5556...

Percentage equivalent

5/9 = 55.5556...%

Visual fraction bar

55.5556...%

The filled part represents 5/9 of one whole.

Cite this result

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10/18 in simplest form is 5/9, found by dividing 10 and 18 by their greatest common factor, 2.
ILoveFractions, https://www.ilovefractions.com/tools/fraction-simplifier/10-18/, retrieved September 2, 2026

APA

ILoveFractions. (2026). 10/18 Simplified = 5/9. ILoveFractions.com. Retrieved September 2, 2026, from https://www.ilovefractions.com/tools/fraction-simplifier/10-18/

MLA

"10/18 Simplified = 5/9." ILoveFractions.com, https://www.ilovefractions.com/tools/fraction-simplifier/10-18/. Accessed 2 September 2026.

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