The simplest form of 18/9 is 2/1.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 18 and 9 is 9 - Divide both the numerator and denominator by the GCD
18 ÷ 9/9 ÷ 9 - Reduced fraction: 2/1
Therefore, 18/9 simplified to lowest terms is 2/1.
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Equivalent fractions: 36/18 54/27 6/3 90/45 126/63
More fractions: 36/9 18/18 54/9 18/27 19/9 18/1017/9 18/8