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Subtract 18/42 from 27/16

1st number: 1 11/16, 2nd number: 18/42

27/16 - 18/42 is 141/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 42 is 336
  2. For the 1st fraction, since 16 × 21 = 336,
    27/16 = 27 × 21/16 × 21 = 567/336
  3. Likewise, for the 2nd fraction, since 42 × 8 = 336,
    18/42 = 18 × 8/42 × 8 = 144/336
  4. Subtract the two fractions:
    567/336 - 144/336 = 567 - 144/336 = 423/336
  5. After reducing the fraction, the answer is 141/112
  6. In mixed form: 129/112

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