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Subtract 3/24 from 21/8

1st number: 2 5/8, 2nd number: 3/24

21/8 - 3/24 is 5/2.

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,
    21/8 = 21 × 3/8 × 3 = 63/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    3/24 = 3 × 1/24 × 1 = 3/24
  4. Subtract the two like fractions:
    63/24 - 3/24 = 63 - 3/24 = 60/24
  5. After reducing the fraction, the answer is 5/2
  6. In mixed form: 21/2

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