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Subtract 8/21 from 56/3

1st number: 18 2/3, 2nd number: 8/21

56/3 - 8/21 is 128/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    56/3 = 56 × 7/3 × 7 = 392/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    8/21 = 8 × 1/21 × 1 = 8/21
  4. Subtract the two fractions:
    392/21 - 8/21 = 392 - 8/21 = 384/21
  5. After reducing the fraction, the answer is 128/7
  6. In mixed form: 182/7

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