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Answers.everydaycalculation.com » Compare fractions

Compare 9/7 and 42/90

1st number: 1 2/7, 2nd number: 42/90

9/7 is greater than 42/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    9/7 = 9 × 90/7 × 90 = 810/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    42/90 = 42 × 7/90 × 7 = 294/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 810/630 > 294/630 or 9/7 > 42/90

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