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Subtract 1/24 from 8/21

8/21 - 1/24 is 19/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    8/21 = 8 × 8/21 × 8 = 64/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    1/24 = 1 × 7/24 × 7 = 7/168
  4. Subtract the two like fractions:
    64/168 - 7/168 = 64 - 7/168 = 57/168
  5. After reducing the fraction, the answer is 19/56

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