The simplest form of 9/18 is 1/2.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 9 and 18 is 9 - Divide both the numerator and denominator by the GCD
9 ÷ 9/18 ÷ 9 - Reduced fraction: 1/2
Therefore, 9/18 simplified to lowest terms is 1/2.
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Equivalent fractions: 18/36 27/54 3/6 45/90 63/126
More fractions: 18/18 9/36 27/18 9/54 10/18 9/198/18 9/17