tag:blogger.com,1999:blog-5134418801703349975.post7134413028458712807..comments2023-05-12T11:17:29.120-04:00Comments on Math Arguments: 430: Dangerous MistakeCurmudgeonhttp://www.blogger.com/profile/04323026187622872114noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5134418801703349975.post-42278469056492867952015-04-13T19:05:30.241-04:002015-04-13T19:05:30.241-04:00More common is 1/2 + 1/3 = 2/5, which of course is...More common is 1/2 + 1/3 = 2/5, which of course is correct when adding ratios. Too bad we don't teach that.Anonymousnoreply@blogger.com