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Subtract 15/63 from 7/15

7/15 - 15/63 is 8/35.

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,
    7/15 = 7 × 21/15 × 21 = 147/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    15/63 = 15 × 5/63 × 5 = 75/315
  4. Subtract the two like fractions:
    147/315 - 75/315 = 147 - 75/315 = 72/315
  5. After reducing the fraction, the answer is 8/35

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