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Subtract 48/12 from 3/42

1st number: 3/42, 2nd number: 4 0/12

3/42 - 48/12 is -55/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 12 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    3/42 = 3 × 2/42 × 2 = 6/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    48/12 = 48 × 7/12 × 7 = 336/84
  4. Subtract the two fractions:
    6/84 - 336/84 = 6 - 336/84 = -330/84
  5. After reducing the fraction, the answer is -55/14

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