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Subtract 49/24 from 7/81

1st number: 7/81, 2nd number: 2 1/24

7/81 - 49/24 is -1267/648.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 24 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 81 × 8 = 648,
    7/81 = 7 × 8/81 × 8 = 56/648
  3. Likewise, for the 2nd fraction, since 24 × 27 = 648,
    49/24 = 49 × 27/24 × 27 = 1323/648
  4. Subtract the two like fractions:
    56/648 - 1323/648 = 56 - 1323/648 = -1267/648

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