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Subtract 42/81 from 50/12

1st number: 4 2/12, 2nd number: 42/81

50/12 - 42/81 is 197/54.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 12 × 27 = 324,
    50/12 = 50 × 27/12 × 27 = 1350/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    42/81 = 42 × 4/81 × 4 = 168/324
  4. Subtract the two like fractions:
    1350/324 - 168/324 = 1350 - 168/324 = 1182/324
  5. After reducing the fraction, the answer is 197/54
  6. In mixed form: 335/54

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