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Subtract 16/54 from 21/4

1st number: 5 1/4, 2nd number: 16/54

21/4 - 16/54 is 535/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 54 is 108
  2. For the 1st fraction, since 4 × 27 = 108,
    21/4 = 21 × 27/4 × 27 = 567/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    16/54 = 16 × 2/54 × 2 = 32/108
  4. Subtract the two fractions:
    567/108 - 32/108 = 567 - 32/108 = 535/108
  5. In mixed form: 4103/108

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