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Subtract 1/21 from 75/16

1st number: 4 11/16, 2nd number: 1/21

75/16 - 1/21 is 1559/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 16 × 21 = 336,
    75/16 = 75 × 21/16 × 21 = 1575/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    1/21 = 1 × 16/21 × 16 = 16/336
  4. Subtract the two like fractions:
    1575/336 - 16/336 = 1575 - 16/336 = 1559/336
  5. In mixed form: 4215/336

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