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Answers.everydaycalculation.com » Compare fractions

Compare 90/70 and 1/90

1st number: 1 20/70, 2nd number: 1/90

90/70 is greater than 1/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    90/70 = 90 × 9/70 × 9 = 810/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 810/630 > 7/630 or 90/70 > 1/90

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