The simplest form of 45/9 is 5/1.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 45 and 9 is 9 - Divide both the numerator and denominator by the GCD
45 ÷ 9/9 ÷ 9 - Reduced fraction: 5/1
Therefore, 45/9 simplified to lowest terms is 5/1.
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Equivalent fractions: 90/18 135/27 15/3 225/45 315/63
More fractions: 90/9 45/18 135/9 45/27 46/9 45/1044/9 45/8