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Subtract 2/48 from 7/81

7/81 - 2/48 is 29/648.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 48 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 81 × 16 = 1296,
    7/81 = 7 × 16/81 × 16 = 112/1296
  3. Likewise, for the 2nd fraction, since 48 × 27 = 1296,
    2/48 = 2 × 27/48 × 27 = 54/1296
  4. Subtract the two like fractions:
    112/1296 - 54/1296 = 112 - 54/1296 = 58/1296
  5. After reducing the fraction, the answer is 29/648

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