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Subtract 30/9 from 3/28

1st number: 3/28, 2nd number: 3 3/9

3/28 - 30/9 is -271/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    3/28 = 3 × 9/28 × 9 = 27/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    30/9 = 30 × 28/9 × 28 = 840/252
  4. Subtract the two like fractions:
    27/252 - 840/252 = 27 - 840/252 = -813/252
  5. After reducing the fraction, the answer is -271/84

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