This math topic focuses on practicing how to find the lowest common denominator to compare fractions. Each problem presents different pairs of fractions, and the task is to identify the best common denominator to facilitate comparison. This is a foundational skill in understanding and managing fractions, particularly in simplifying and comparing them. The exercise is designed for learners to recognize and apply the principles of finding common denominators effectively.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Fraction Comparison - Find Common Denominator - Mixed - One Changed Denominator

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


What lowest common denominator would you use to compare these fractions?

212        1142\frac{1}{2}\;\; \bigcirc \;\;\frac{11}{4}

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