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Compare 1/20 and 8/18

1/20 is smaller than 8/18

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,
    1/20 = 1 × 9/20 × 9 = 9/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    8/18 = 8 × 10/18 × 10 = 80/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 9/180 < 80/180 or 1/20 < 8/18

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