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Subtract 56/45 from 1/2

1st number: 1/2, 2nd number: 1 11/45

1/2 - 56/45 is -67/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    1/2 = 1 × 45/2 × 45 = 45/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    56/45 = 56 × 2/45 × 2 = 112/90
  4. Subtract the two fractions:
    45/90 - 112/90 = 45 - 112/90 = -67/90

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