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Answers.everydaycalculation.com » Compare fractions

Compare 21/30 and 56/7

1st number: 21/30, 2nd number: 8 0/7

21/30 is smaller than 56/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    56/7 = 56 × 30/7 × 30 = 1680/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 147/210 < 1680/210 or 21/30 < 56/7

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