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Subtract 15/24 from 21/4

1st number: 5 1/4, 2nd number: 15/24

21/4 - 15/24 is 37/8.

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,
    21/4 = 21 × 6/4 × 6 = 126/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    15/24 = 15 × 1/24 × 1 = 15/24
  4. Subtract the two fractions:
    126/24 - 15/24 = 126 - 15/24 = 111/24
  5. After reducing the fraction, the answer is 37/8
  6. In mixed form: 45/8

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