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Subtract 45/4 from 35/21

1st number: 1 14/21, 2nd number: 11 1/4

35/21 - 45/4 is -115/12.

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,
    45/4 = 45 × 21/4 × 21 = 945/84
  4. Subtract the two fractions:
    140/84 - 945/84 = 140 - 945/84 = -805/84
  5. After reducing the fraction, the answer is -115/12

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