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Subtract 28/5 from 25/28

1st number: 25/28, 2nd number: 5 3/5

25/28 - 28/5 is -659/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    25/28 = 25 × 5/28 × 5 = 125/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    28/5 = 28 × 28/5 × 28 = 784/140
  4. Subtract the two like fractions:
    125/140 - 784/140 = 125 - 784/140 = -659/140

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