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Answers.everydaycalculation.com » Compare fractions

Compare 50/40 and 90/70

1st number: 1 10/40, 2nd number: 1 20/70

50/40 is smaller than 90/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    50/40 = 50 × 7/40 × 7 = 350/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    90/70 = 90 × 4/70 × 4 = 360/280
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/280 < 360/280 or 50/40 < 90/70

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