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Subtract 16/45 from 5/63

5/63 - 16/45 is -29/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    5/63 = 5 × 5/63 × 5 = 25/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    16/45 = 16 × 7/45 × 7 = 112/315
  4. Subtract the two like fractions:
    25/315 - 112/315 = 25 - 112/315 = -87/315
  5. After reducing the fraction, the answer is -29/105

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