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Subtract 7/27 from 9/72

9/72 - 7/27 is -29/216.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 27 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 72 × 3 = 216,
    9/72 = 9 × 3/72 × 3 = 27/216
  3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
    7/27 = 7 × 8/27 × 8 = 56/216
  4. Subtract the two like fractions:
    27/216 - 56/216 = 27 - 56/216 = -29/216

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