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Answers.everydaycalculation.com » Compare fractions

Compare 90/40 and 15/70

1st number: 2 10/40, 2nd number: 15/70

90/40 is greater than 15/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    90/40 = 90 × 7/40 × 7 = 630/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    15/70 = 15 × 4/70 × 4 = 60/280
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 630/280 > 60/280 or 90/40 > 15/70

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