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Subtract 20/54 from 15/36

15/36 - 20/54 is 5/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 54 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 36 × 3 = 108,
    15/36 = 15 × 3/36 × 3 = 45/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    20/54 = 20 × 2/54 × 2 = 40/108
  4. Subtract the two like fractions:
    45/108 - 40/108 = 45 - 40/108 = 5/108

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