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Answers.everydaycalculation.com » Compare fractions

Compare 7/90 and 4/42

7/90 is smaller than 4/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    7/90 = 7 × 7/90 × 7 = 49/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    4/42 = 4 × 15/42 × 15 = 60/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 49/630 < 60/630 or 7/90 < 4/42

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