The simplest form of 9/15 is 3/5.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 9 and 15 is 3 - Divide both the numerator and denominator by the GCD
9 ÷ 3/15 ÷ 3 - Reduced fraction: 3/5
Therefore, 9/15 simplified to lowest terms is 3/5.
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Equivalent fractions: 18/30 27/45 3/5 45/75 63/105
More fractions: 18/15 9/30 27/15 9/45 10/15 9/168/15 9/14