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Compare 5/84 and 20/30

5/84 is smaller than 20/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 30 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    5/84 = 5 × 5/84 × 5 = 25/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    20/30 = 20 × 14/30 × 14 = 280/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 25/420 < 280/420 or 5/84 < 20/30

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