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Subtract 24/81 from 84/40

1st number: 2 4/40, 2nd number: 24/81

84/40 - 24/81 is 487/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 81 is 3240

    Next, find the equivalent fraction of both fractional numbers with denominator 3240
  2. For the 1st fraction, since 40 × 81 = 3240,
    84/40 = 84 × 81/40 × 81 = 6804/3240
  3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
    24/81 = 24 × 40/81 × 40 = 960/3240
  4. Subtract the two like fractions:
    6804/3240 - 960/3240 = 6804 - 960/3240 = 5844/3240
  5. After reducing the fraction, the answer is 487/270
  6. In mixed form: 1217/270

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