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Compare 18/20 and 1/30

18/20 is greater than 1/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    18/20 = 18 × 3/20 × 3 = 54/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    1/30 = 1 × 2/30 × 2 = 2/60
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 54/60 > 2/60 or 18/20 > 1/30

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