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Subtract 90/35 from 45/56

1st number: 45/56, 2nd number: 2 20/35

45/56 - 90/35 is -99/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 35 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    45/56 = 45 × 5/56 × 5 = 225/280
  3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
    90/35 = 90 × 8/35 × 8 = 720/280
  4. Subtract the two like fractions:
    225/280 - 720/280 = 225 - 720/280 = -495/280
  5. After reducing the fraction, the answer is -99/56

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