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Subtract 28/10 from 1/12

1st number: 1/12, 2nd number: 2 8/10

1/12 - 28/10 is -163/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    1/12 = 1 × 5/12 × 5 = 5/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    28/10 = 28 × 6/10 × 6 = 168/60
  4. Subtract the two like fractions:
    5/60 - 168/60 = 5 - 168/60 = -163/60

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