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Subtract 49/12 from 60/42

1st number: 1 18/42, 2nd number: 4 1/12

60/42 - 49/12 is -223/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    60/42 = 60 × 2/42 × 2 = 120/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    49/12 = 49 × 7/12 × 7 = 343/84
  4. Subtract the two like fractions:
    120/84 - 343/84 = 120 - 343/84 = -223/84

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