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Answers.everydaycalculation.com » Compare fractions

Compare 20/18 and 42/48

1st number: 1 2/18, 2nd number: 42/48

20/18 is greater than 42/48

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 48 is 144
  2. For the 1st fraction, since 18 × 8 = 144,
    20/18 = 20 × 8/18 × 8 = 160/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    42/48 = 42 × 3/48 × 3 = 126/144
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/144 > 126/144 or 20/18 > 42/48

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