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Subtract 30/18 from 18/27

1st number: 18/27, 2nd number: 1 12/18

18/27 - 30/18 is -1/1.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 27 × 2 = 54,
    18/27 = 18 × 2/27 × 2 = 36/54
  3. Likewise, for the 2nd fraction, since 18 × 3 = 54,
    30/18 = 30 × 3/18 × 3 = 90/54
  4. Subtract the two like fractions:
    36/54 - 90/54 = 36 - 90/54 = -54/54
  5. After reducing the fraction, the answer is -1/1

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