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Subtract 1/63 from 30/75

30/75 - 1/63 is 121/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 63 is 1575

    Next, find the equivalent fraction of both fractional numbers with denominator 1575
  2. For the 1st fraction, since 75 × 21 = 1575,
    30/75 = 30 × 21/75 × 21 = 630/1575
  3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
    1/63 = 1 × 25/63 × 25 = 25/1575
  4. Subtract the two like fractions:
    630/1575 - 25/1575 = 630 - 25/1575 = 605/1575
  5. After reducing the fraction, the answer is 121/315

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