View this article online: https://www.carriermanagement.com/features/2013/07/16/109808.htm

# The Curious Case Of Bad Math & Why It Does Not Matter

I have recently been reminded of some of the nonsensical insurance idiosyncrasies that veterans of the industry take for granted. Several of these involve mathâ€”and bad math in particular.Executive SummaryAgency consultant Chris Burand reviews some fuzzy math that’s widely accepted among property/casualty insurance carriers.

#### Executive Summary

Agency consultant Chris Burand reviews some fuzzy math that's widely accepted among property/casualty insurance carriers.1. Combined Ratios

Combined Ratio = Loss Ratio + Expense Ratio. A ratio is a fraction. Sometime around the fourth grade most kids learn that to add fractions the denominators must be common.