5/12 as a Decimal 0.41666667 5/12 = 0.41666667 = 41.666667% Copy 5/12 = 0.41666667 = 41.666667%. Formula Used5 ÷ 12 = 0.41666667 Frequently Asked Questions What is 5/12 as a decimal?0.41666667.What is 5/12 as a percentage?41.666667%.