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Answers.everydaycalculation.com » Compare fractions

Compare 28/63 and 90/20

1st number: 28/63, 2nd number: 4 10/20

28/63 is smaller than 90/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    28/63 = 28 × 20/63 × 20 = 560/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    90/20 = 90 × 63/20 × 63 = 5670/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/1260 < 5670/1260 or 28/63 < 90/20

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