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Subtract 21/24 from 1/4

1/4 - 21/24 is -5/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 24 is 24
  2. For the 1st fraction, since 4 × 6 = 24,
    1/4 = 1 × 6/4 × 6 = 6/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    21/24 = 21 × 1/24 × 1 = 21/24
  4. Subtract the two fractions:
    6/24 - 21/24 = 6 - 21/24 = -15/24
  5. After reducing the fraction, the answer is -5/8

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