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Subtract 18/24 from 21/2

1st number: 10 1/2, 2nd number: 18/24

21/2 - 18/24 is 39/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 24 is 24
  2. For the 1st fraction, since 2 × 12 = 24,
    21/2 = 21 × 12/2 × 12 = 252/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    18/24 = 18 × 1/24 × 1 = 18/24
  4. Subtract the two fractions:
    252/24 - 18/24 = 252 - 18/24 = 234/24
  5. After reducing the fraction, the answer is 39/4
  6. In mixed form: 93/4

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