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Answers.everydaycalculation.com » Compare fractions

Compare 25/21 and 20/70

1st number: 1 4/21, 2nd number: 20/70

25/21 is greater than 20/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    25/21 = 25 × 10/21 × 10 = 250/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    20/70 = 20 × 3/70 × 3 = 60/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 250/210 > 60/210 or 25/21 > 20/70

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