This math topic focuses on practicing subtraction with mixed fractions where the denominators are changed but the answers are not simplified. The exercises are organized into multiple problems, each involving subtraction of two fractions with varied complexity in terms of the denominators. Participants need to perform the subtraction accurately but are instructed not to simplify the final fraction. These types of problems promote a deep understanding of fraction operations, particularly the adjustments needed when dealing with different denominators. The topic is part of a broader unit on mixed fraction addition and subtraction.
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Subtract these fractions, but don't simplify the answer