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Answers.everydaycalculation.com » Compare fractions

Compare 42/40 and 8/18

1st number: 1 2/40, 2nd number: 8/18

42/40 is greater than 8/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    8/18 = 8 × 20/18 × 20 = 160/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 378/360 > 160/360 or 42/40 > 8/18

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