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Subtract 7/9 from 28/50

28/50 - 7/9 is -49/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 9 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    28/50 = 28 × 9/50 × 9 = 252/450
  3. Likewise, for the 2nd fraction, since 9 × 50 = 450,
    7/9 = 7 × 50/9 × 50 = 350/450
  4. Subtract the two like fractions:
    252/450 - 350/450 = 252 - 350/450 = -98/450
  5. After reducing the fraction, the answer is -49/225

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