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Subtract 25/9 from 5/42

1st number: 5/42, 2nd number: 2 7/9

5/42 - 25/9 is -335/126.

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,
    5/42 = 5 × 3/42 × 3 = 15/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    25/9 = 25 × 14/9 × 14 = 350/126
  4. Subtract the two fractions:
    15/126 - 350/126 = 15 - 350/126 = -335/126

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