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Subtract 49/9 from 9/42

1st number: 9/42, 2nd number: 5 4/9

9/42 - 49/9 is -659/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    9/42 = 9 × 3/42 × 3 = 27/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    49/9 = 49 × 14/9 × 14 = 686/126
  4. Subtract the two fractions:
    27/126 - 686/126 = 27 - 686/126 = -659/126

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