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Subtract 70/12 from 35/81

1st number: 35/81, 2nd number: 5 10/12

35/81 - 70/12 is -875/162.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 12 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 81 × 4 = 324,
    35/81 = 35 × 4/81 × 4 = 140/324
  3. Likewise, for the 2nd fraction, since 12 × 27 = 324,
    70/12 = 70 × 27/12 × 27 = 1890/324
  4. Subtract the two like fractions:
    140/324 - 1890/324 = 140 - 1890/324 = -1750/324
  5. After reducing the fraction, the answer is -875/162

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