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Subtract 4/9 from 15/63

15/63 - 4/9 is -13/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 63 × 1 = 63,
    15/63 = 15 × 1/63 × 1 = 15/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  4. Subtract the two like fractions:
    15/63 - 28/63 = 15 - 28/63 = -13/63

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