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Reduce 21/840 to lowest terms

The reduced form of 21/840 is 1/40

Steps to simplifying fractions

  1. Find the GCD (or HCF) of numerator and denominator
    GCD of 21 and 840 is 21
  2. Divide both the numerator and denominator by the GCD
    21 ÷ 21/840 ÷ 21
  3. Reduced fraction or 21/840 simplified: 1/40

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