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Compare 9/20 and 3/18

9/20 is greater than 3/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    3/18 = 3 × 10/18 × 10 = 30/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 81/180 > 30/180 or 9/20 > 3/18

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