48/64 as a Decimal 0.75 48/64 = 0.75 = 75% Copy 48/64 = 0.75 = 75%. Simplified: 3/4. Formula Used48 ÷ 64 = 0.75 Frequently Asked Questions What is 48/64 as a decimal?0.75.What is 48/64 as a percentage?75%.