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Subtract 27/4 from 35/21

1st number: 1 14/21, 2nd number: 6 3/4

35/21 - 27/4 is -61/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    35/21 = 35 × 4/21 × 4 = 140/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    27/4 = 27 × 21/4 × 21 = 567/84
  4. Subtract the two fractions:
    140/84 - 567/84 = 140 - 567/84 = -427/84
  5. After reducing the fraction, the answer is -61/12

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