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Answers.everydaycalculation.com » Compare fractions

Compare 4/30 and 90/7

1st number: 4/30, 2nd number: 12 6/7

4/30 is smaller than 90/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    90/7 = 90 × 30/7 × 30 = 2700/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 28/210 < 2700/210 or 4/30 < 90/7

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