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Answers.everydaycalculation.com » Compare fractions

Compare 72/48 and 21/20

1st number: 1 24/48, 2nd number: 1 1/20

72/48 is greater than 21/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 20 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 48 × 5 = 240,
    72/48 = 72 × 5/48 × 5 = 360/240
  3. Likewise, for the 2nd fraction, since 20 × 12 = 240,
    21/20 = 21 × 12/20 × 12 = 252/240
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 360/240 > 252/240 or 72/48 > 21/20

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