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Subtract 21/16 from 56/42

1st number: 1 14/42, 2nd number: 1 5/16

56/42 - 21/16 is 1/48.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 16 is 336
  2. For the 1st fraction, since 42 × 8 = 336,
    56/42 = 56 × 8/42 × 8 = 448/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    21/16 = 21 × 21/16 × 21 = 441/336
  4. Subtract the two fractions:
    448/336 - 441/336 = 448 - 441/336 = 7/336
  5. After reducing the fraction, the answer is 1/48

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