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Compare 1/18 and 2/20

1/18 is smaller than 2/20

Steps for comparing fractions

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

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