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Subtract 9/4 from 35/42

1st number: 35/42, 2nd number: 2 1/4

35/42 - 9/4 is -17/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    35/42 = 35 × 2/42 × 2 = 70/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    9/4 = 9 × 21/4 × 21 = 189/84
  4. Subtract the two fractions:
    70/84 - 189/84 = 70 - 189/84 = -119/84
  5. After reducing the fraction, the answer is -17/12

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