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Subtract 21/18 from 9/3

1st number: 3 0/3, 2nd number: 1 3/18

9/3 - 21/18 is 11/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 3 × 6 = 18,
    9/3 = 9 × 6/3 × 6 = 54/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Subtract the two like fractions:
    54/18 - 21/18 = 54 - 21/18 = 33/18
  5. After reducing the fraction, the answer is 11/6
  6. In mixed form: 15/6

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