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Subtract 3/8 from 21/24

21/24 - 3/8 is 1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 24 × 1 = 24,
    21/24 = 21 × 1/24 × 1 = 21/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    3/8 = 3 × 3/8 × 3 = 9/24
  4. Subtract the two like fractions:
    21/24 - 9/24 = 21 - 9/24 = 12/24
  5. After reducing the fraction, the answer is 1/2

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