72/100 as a Decimal 0.72 72/100 = 0.72 = 72% Copy 72/100 = 0.72 = 72%. Simplified: 18/25. Formula Used72 ÷ 100 = 0.72 Frequently Asked Questions What is 72/100 as a decimal?0.72.What is 72/100 as a percentage?72%.