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Subtract 10/9 from 15/2

1st number: 7 1/2, 2nd number: 1 1/9

15/2 - 10/9 is 115/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    15/2 = 15 × 9/2 × 9 = 135/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    10/9 = 10 × 2/9 × 2 = 20/18
  4. Subtract the two like fractions:
    135/18 - 20/18 = 135 - 20/18 = 115/18
  5. In mixed form: 67/18

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