Complex sentence: In modern education, the Roman arithmetic used by the Romans is seldom taught, preferring to instruct students to convert the Roman numeral into an Arabic numeral and solve the equation using a modern positional notation system.
Split into simpler sentences: In modern education, the Roman arithmetic used by the Romans is seldom taught. The prefered method is to convert the Roman numeral into an Arabic numeral and solve the equation using a modern positional notation system.