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Subtract 8/21 from 27/2

1st number: 13 1/2, 2nd number: 8/21

27/2 - 8/21 is 551/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    27/2 = 27 × 21/2 × 21 = 567/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Subtract the two like fractions:
    567/42 - 16/42 = 567 - 16/42 = 551/42
  5. In mixed form: 135/42

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