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Subtract 28/20 from 2/54

1st number: 2/54, 2nd number: 1 8/20

2/54 - 28/20 is -184/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 54 × 10 = 540,
    2/54 = 2 × 10/54 × 10 = 20/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    28/20 = 28 × 27/20 × 27 = 756/540
  4. Subtract the two like fractions:
    20/540 - 756/540 = 20 - 756/540 = -736/540
  5. After reducing the fraction, the answer is -184/135

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