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Answers.everydaycalculation.com » Compare fractions

Compare 70/30 and 45/40

1st number: 2 10/30, 2nd number: 1 5/40

70/30 is greater than 45/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    70/30 = 70 × 4/30 × 4 = 280/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    45/40 = 45 × 3/40 × 3 = 135/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 280/120 > 135/120 or 70/30 > 45/40

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