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Subtract 14/16 from 28/90

28/90 - 14/16 is -203/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    28/90 = 28 × 8/90 × 8 = 224/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    14/16 = 14 × 45/16 × 45 = 630/720
  4. Subtract the two like fractions:
    224/720 - 630/720 = 224 - 630/720 = -406/720
  5. After reducing the fraction, the answer is -203/360

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