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Answers.everydaycalculation.com » Compare fractions

Compare 90/45 and 40/90

1st number: 2 0/45, 2nd number: 40/90

90/45 is greater than 40/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    90/45 = 90 × 2/45 × 2 = 180/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    40/90 = 40 × 1/90 × 1 = 40/90
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 180/90 > 40/90 or 90/45 > 40/90

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