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Subtract 2/24 from 15/21

15/21 - 2/24 is 53/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    15/21 = 15 × 8/21 × 8 = 120/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    2/24 = 2 × 7/24 × 7 = 14/168
  4. Subtract the two fractions:
    120/168 - 14/168 = 120 - 14/168 = 106/168
  5. After reducing the fraction, the answer is 53/84

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