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Answers.everydaycalculation.com » Compare fractions

Compare 30/8 and 18/72

1st number: 3 6/8, 2nd number: 18/72

30/8 is greater than 18/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 72 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    30/8 = 30 × 9/8 × 9 = 270/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    18/72 = 18 × 1/72 × 1 = 18/72
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 270/72 > 18/72 or 30/8 > 18/72

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