25/50 as a Decimal 0.5 25/50 = 0.5 = 50% Copy 25/50 = 0.5 = 50%. Simplified: 1/2. Formula Used25 ÷ 50 = 0.5 Frequently Asked Questions What is 25/50 as a decimal?0.5.What is 25/50 as a percentage?50%.