The simplest form of 5/15 is 1/3.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 5 and 15 is 5 - Divide both the numerator and denominator by the GCD
5 ÷ 5/15 ÷ 5 - Reduced fraction: 1/3
Therefore, 5/15 simplified to lowest terms is 1/3.
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Equivalent fractions: 10/30 15/45 25/75 1/3 35/105
More fractions: 10/15 5/30 15/15 5/45 6/15 5/164/15 5/14