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Subtract 35/81 from 56/42

1st number: 1 14/42, 2nd number: 35/81

56/42 - 35/81 is 73/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    56/42 = 56 × 27/42 × 27 = 1512/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    35/81 = 35 × 14/81 × 14 = 490/1134
  4. Subtract the two like fractions:
    1512/1134 - 490/1134 = 1512 - 490/1134 = 1022/1134
  5. After reducing the fraction, the answer is 73/81

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