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Subtract 8/21 from 27/5

1st number: 5 2/5, 2nd number: 8/21

27/5 - 8/21 is 527/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 5 × 21 = 105,
    27/5 = 27 × 21/5 × 21 = 567/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    8/21 = 8 × 5/21 × 5 = 40/105
  4. Subtract the two like fractions:
    567/105 - 40/105 = 567 - 40/105 = 527/105
  5. In mixed form: 52/105

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