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Answers.everydaycalculation.com » Compare fractions

Compare 84/8 and 42/90

1st number: 10 4/8, 2nd number: 42/90

84/8 is greater than 42/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    84/8 = 84 × 45/8 × 45 = 3780/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    42/90 = 42 × 4/90 × 4 = 168/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 3780/360 > 168/360 or 84/8 > 42/90

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