Simplifying fractions using the greatest common factor (GCF).
A hand writing a fraction simplification problem on graph paper, showing 1/2 × 20/18 = 20/36, then simplifying 20/36 by dividing numerator and denominator by their GCF of 4 to get 5/9.
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A hand writing a fraction simplification problem on graph paper, showing 1/2 × 20/18 = 20/36, then simplifying 20/36 by dividing numerator and denominator by their GCF of 4 to get 5/9.
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(view all multiplying fractions with common denominator)