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Subtract 9/28 from 12/5

1st number: 2 2/5, 2nd number: 9/28

12/5 - 9/28 is 291/140.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 5 × 28 = 140,
    12/5 = 12 × 28/5 × 28 = 336/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Subtract the two like fractions:
    336/140 - 45/140 = 336 - 45/140 = 291/140
  5. In mixed form: 211/140

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