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Subtract 81/48 from 40/84

1st number: 40/84, 2nd number: 1 33/48

40/84 - 81/48 is -407/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 48 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 84 × 4 = 336,
    40/84 = 40 × 4/84 × 4 = 160/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    81/48 = 81 × 7/48 × 7 = 567/336
  4. Subtract the two like fractions:
    160/336 - 567/336 = 160 - 567/336 = -407/336

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