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Compare 18/42 and 1/30

18/42 is greater than 1/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    18/42 = 18 × 5/42 × 5 = 90/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 90/210 > 7/210 or 18/42 > 1/30

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