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Subtract 2/27 from 21/18

1st number: 1 3/18, 2nd number: 2/27

21/18 - 2/27 is 59/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 18 × 3 = 54,
    21/18 = 21 × 3/18 × 3 = 63/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    2/27 = 2 × 2/27 × 2 = 4/54
  4. Subtract the two like fractions:
    63/54 - 4/54 = 63 - 4/54 = 59/54
  5. In mixed form: 15/54

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