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Subtract 8/21 from 56/27

1st number: 2 2/27, 2nd number: 8/21

56/27 - 8/21 is 320/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 21 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    56/27 = 56 × 7/27 × 7 = 392/189
  3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
    8/21 = 8 × 9/21 × 9 = 72/189
  4. Subtract the two like fractions:
    392/189 - 72/189 = 392 - 72/189 = 320/189
  5. In mixed form: 1131/189

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