The simplest form of 15/5 is 3/1.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 15 and 5 is 5 - Divide both the numerator and denominator by the GCD
15 ÷ 5/5 ÷ 5 - Reduced fraction: 3/1
Therefore, 15/5 simplified to lowest terms is 3/1.
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Equivalent fractions: 30/10 45/15 75/25 3/1 105/35
More fractions: 30/5 15/10 45/5 15/15 16/5 15/614/5 15/4