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Subtract 48/36 from 3/42

1st number: 3/42, 2nd number: 1 12/36

3/42 - 48/36 is -53/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 36 is 252
  2. For the 1st fraction, since 42 × 6 = 252,
    3/42 = 3 × 6/42 × 6 = 18/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    48/36 = 48 × 7/36 × 7 = 336/252
  4. Subtract the two fractions:
    18/252 - 336/252 = 18 - 336/252 = -318/252
  5. After reducing the fraction, the answer is -53/42

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