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Answers.everydaycalculation.com » Compare fractions

Compare 90/70 and 7/30

1st number: 1 20/70, 2nd number: 7/30

90/70 is greater than 7/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    90/70 = 90 × 3/70 × 3 = 270/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 270/210 > 49/210 or 90/70 > 7/30

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