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Compare 63/42 and 81/7

1st number: 1 21/42, 2nd number: 11 4/7

63/42 is smaller than 81/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    63/42 = 63 × 1/42 × 1 = 63/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    81/7 = 81 × 6/7 × 6 = 486/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/42 < 486/42 or 63/42 < 81/7

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