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Subtract 1/28 from 28/27

1st number: 1 1/27, 2nd number: 1/28

28/27 - 1/28 is 757/756.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 28 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 27 × 28 = 756,
    28/27 = 28 × 28/27 × 28 = 784/756
  3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
    1/28 = 1 × 27/28 × 27 = 27/756
  4. Subtract the two like fractions:
    784/756 - 27/756 = 784 - 27/756 = 757/756
  5. In mixed form: 11/756

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