Complex sentence: About 1760, the Coade family moved from Exeter to London, and by the mid- 1760s Eleanor was running her own business as a Linen draper in the City of London.
Split into simpler sentences: About 1760, the Coade family moved from Exeter to London. By the mid- 1760s, Eleanor Coade was running her own business as a linen draper in the City of London.