How do you simplify ln(1/2) - ln(1) ? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer Trevor Ryan. Feb 9, 2016 -ln2 Explanation: From laws of logs, ln(a/b)=lna-lnb and ln(1)=0 since e^0=1. Therefore ln(1/2)-ln(1)=(ln1-ln2)-ln1 =0-ln2-0 =-ln2 Answer link Related questions What is the natural log of e? What is the natural log of 2? How do I do natural logs on a TI-83? How do I find the natural log of a fraction? What is the natural log of 1? What is the natural log of infinity? Can I find the natural log of a negative number? How do I find a natural log without a calculator? How do I find the natural log of a given number by using a calculator? How do I do natural logs on a TI-84? See all questions in Natural Logs Impact of this question 25491 views around the world You can reuse this answer Creative Commons License