10/100 as a Decimal 0.1 10/100 = 0.1 = 10% Copy 10/100 = 0.1 = 10%. Simplified: 1/10. Formula Used10 ÷ 100 = 0.1 Frequently Asked Questions What is 10/100 as a decimal?0.1.What is 10/100 as a percentage?10%.