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Subtract 10/45 from 4/63

4/63 - 10/45 is -10/63.

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,
    4/63 = 4 × 5/63 × 5 = 20/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    10/45 = 10 × 7/45 × 7 = 70/315
  4. Subtract the two like fractions:
    20/315 - 70/315 = 20 - 70/315 = -50/315
  5. After reducing the fraction, the answer is -10/63

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