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Subtract 10/63 from 4/45

4/45 - 10/63 is -22/315.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    4/45 = 4 × 7/45 × 7 = 28/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    10/63 = 10 × 5/63 × 5 = 50/315
  4. Subtract the two like fractions:
    28/315 - 50/315 = 28 - 50/315 = -22/315

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