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Subtract 10/9 from 28/30

1st number: 28/30, 2nd number: 1 1/9

28/30 - 10/9 is -8/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    28/30 = 28 × 3/30 × 3 = 84/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    10/9 = 10 × 10/9 × 10 = 100/90
  4. Subtract the two like fractions:
    84/90 - 100/90 = 84 - 100/90 = -16/90
  5. After reducing the fraction, the answer is -8/45

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