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Answers.everydaycalculation.com » Compare fractions

Compare 42/2 and 50/90

1st number: 21 0/2, 2nd number: 50/90

42/2 is greater than 50/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    42/2 = 42 × 45/2 × 45 = 1890/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    50/90 = 50 × 1/90 × 1 = 50/90
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1890/90 > 50/90 or 42/2 > 50/90

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