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Subtract 49/27 from 45/42

1st number: 1 3/42, 2nd number: 1 22/27

45/42 - 49/27 is -281/378.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    45/42 = 45 × 9/42 × 9 = 405/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    49/27 = 49 × 14/27 × 14 = 686/378
  4. Subtract the two fractions:
    405/378 - 686/378 = 405 - 686/378 = -281/378

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