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Subtract 4/63 from 1/15

1/15 - 4/63 is 1/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    1/15 = 1 × 21/15 × 21 = 21/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    4/63 = 4 × 5/63 × 5 = 20/315
  4. Subtract the two like fractions:
    21/315 - 20/315 = 21 - 20/315 = 1/315

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