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Answers.everydaycalculation.com » Compare fractions

Compare 70/20 and 45/70

1st number: 3 10/20, 2nd number: 45/70

70/20 is greater than 45/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    70/20 = 70 × 7/20 × 7 = 490/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    45/70 = 45 × 2/70 × 2 = 90/140
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 490/140 > 90/140 or 70/20 > 45/70

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