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Answers.everydaycalculation.com » Compare fractions

Compare 21/4 and 28/56

1st number: 5 1/4, 2nd number: 28/56

21/4 is greater than 28/56

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 56 is 56
  2. For the 1st fraction, since 4 × 14 = 56,
    21/4 = 21 × 14/4 × 14 = 294/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    28/56 = 28 × 1/56 × 1 = 28/56
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 294/56 > 28/56 or 21/4 > 28/56

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