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Subtract 28/30 from 15/2

1st number: 7 1/2, 2nd number: 28/30

15/2 - 28/30 is 197/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    15/2 = 15 × 15/2 × 15 = 225/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    28/30 = 28 × 1/30 × 1 = 28/30
  4. Subtract the two like fractions:
    225/30 - 28/30 = 225 - 28/30 = 197/30
  5. In mixed form: 617/30

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