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Subtract 3/63 from 10/15

10/15 - 3/63 is 13/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315
  2. For the 1st fraction, since 15 × 21 = 315,
    10/15 = 10 × 21/15 × 21 = 210/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    3/63 = 3 × 5/63 × 5 = 15/315
  4. Subtract the two fractions:
    210/315 - 15/315 = 210 - 15/315 = 195/315
  5. After reducing the fraction, the answer is 13/21

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