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Subtract 40/27 from 54/15

1st number: 3 9/15, 2nd number: 1 13/27

54/15 - 40/27 is 286/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 15 × 9 = 135,
    54/15 = 54 × 9/15 × 9 = 486/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    40/27 = 40 × 5/27 × 5 = 200/135
  4. Subtract the two like fractions:
    486/135 - 200/135 = 486 - 200/135 = 286/135
  5. In mixed form: 216/135

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