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Subtract 56/15 from 5/28

1st number: 5/28, 2nd number: 3 11/15

5/28 - 56/15 is -1493/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    5/28 = 5 × 15/28 × 15 = 75/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    56/15 = 56 × 28/15 × 28 = 1568/420
  4. Subtract the two like fractions:
    75/420 - 1568/420 = 75 - 1568/420 = -1493/420

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