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Subtract 40/27 from 9/12

1st number: 9/12, 2nd number: 1 13/27

9/12 - 40/27 is -79/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 27 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 12 × 9 = 108,
    9/12 = 9 × 9/12 × 9 = 81/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    40/27 = 40 × 4/27 × 4 = 160/108
  4. Subtract the two like fractions:
    81/108 - 160/108 = 81 - 160/108 = -79/108

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