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Answers.everydaycalculation.com » Compare fractions

Compare 7/90 and 21/15

1st number: 7/90, 2nd number: 1 6/15

7/90 is smaller than 21/15

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 15 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
    21/15 = 21 × 6/15 × 6 = 126/90
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 7/90 < 126/90 or 7/90 < 21/15

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