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Subtract 21/18 from 32/9

1st number: 3 5/9, 2nd number: 1 3/18

32/9 - 21/18 is 43/18.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    32/9 = 32 × 2/9 × 2 = 64/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Subtract the two like fractions:
    64/18 - 21/18 = 64 - 21/18 = 43/18
  5. In mixed form: 27/18

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