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Subtract 21/24 from 28/8

1st number: 3 4/8, 2nd number: 21/24

28/8 - 21/24 is 21/8.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 8 × 3 = 24,
    28/8 = 28 × 3/8 × 3 = 84/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    21/24 = 21 × 1/24 × 1 = 21/24
  4. Subtract the two like fractions:
    84/24 - 21/24 = 84 - 21/24 = 63/24
  5. After reducing the fraction, the answer is 21/8
  6. In mixed form: 25/8

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