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Subtract 15/18 from 2/72

2/72 - 15/18 is -29/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    2/72 = 2 × 1/72 × 1 = 2/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    15/18 = 15 × 4/18 × 4 = 60/72
  4. Subtract the two like fractions:
    2/72 - 60/72 = 2 - 60/72 = -58/72
  5. After reducing the fraction, the answer is -29/36

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