Complex sentence: In 1886, the store was consumed by fire and was rebuilt at Randolph and Monroe, by 1900 the Kerns purchased a five story building at Woodward and Gratiot to accommodate increasing business.
Split into simpler sentences: In 1886, the original store was consumed by fire and was rebuilt at Randolph and Monroe. In 1900 the Kerns purchased a five story building at Woodward and Gratiot to accommodate increasing business.