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Subtract 30/15 from 1/54

1st number: 1/54, 2nd number: 2 0/15

1/54 - 30/15 is -107/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 15 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    1/54 = 1 × 5/54 × 5 = 5/270
  3. Likewise, for the 2nd fraction, since 15 × 18 = 270,
    30/15 = 30 × 18/15 × 18 = 540/270
  4. Subtract the two like fractions:
    5/270 - 540/270 = 5 - 540/270 = -535/270
  5. After reducing the fraction, the answer is -107/54

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