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Reduce 21/45 to lowest terms

The reduced form of 21/45 is 7/15

Steps to simplifying fractions

  1. Find the GCD (or HCF) of numerator and denominator
    GCD of 21 and 45 is 3
  2. Divide both the numerator and denominator by the GCD
    21 ÷ 3/45 ÷ 3
  3. Reduced fraction or 21/45 simplified: 7/15

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