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Subtract 8/5 from 3/28

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

3/28 - 8/5 is -209/140.

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,
    3/28 = 3 × 5/28 × 5 = 15/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    8/5 = 8 × 28/5 × 28 = 224/140
  4. Subtract the two like fractions:
    15/140 - 224/140 = 15 - 224/140 = -209/140

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