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Subtract 16/27 from 21/4

1st number: 5 1/4, 2nd number: 16/27

21/4 - 16/27 is 503/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 27 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 27 × 4 = 108,
    16/27 = 16 × 4/27 × 4 = 64/108
  4. Subtract the two fractions:
    567/108 - 64/108 = 567 - 64/108 = 503/108
  5. In mixed form: 471/108

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