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Subtract 20/48 from 3/54

3/54 - 20/48 is -13/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 48 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 54 × 8 = 432,
    3/54 = 3 × 8/54 × 8 = 24/432
  3. Likewise, for the 2nd fraction, since 48 × 9 = 432,
    20/48 = 20 × 9/48 × 9 = 180/432
  4. Subtract the two like fractions:
    24/432 - 180/432 = 24 - 180/432 = -156/432
  5. After reducing the fraction, the answer is -13/36

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