1/4÷5/8 Rule: Before you divided it which you can not do with the fractions, we just need to change the divided sign to multiply sign and then reciprocal 5/8 into 8/5. Then, 1/4÷5/8 =1/4×8/5 =8/20 =4/10 =2/5. In conclusion, 1/4÷5/8=2/5. Have a nice day!