46/64 as a Decimal 0.71875 46/64 = 0.71875 = 71.875% Copy 46/64 = 0.71875 = 71.875%. Simplified: 23/32. Formula Used46 ÷ 64 = 0.71875 Frequently Asked Questions What is 46/64 as a decimal?0.71875.What is 46/64 as a percentage?71.875%.