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Subtract 10/21 from 63/75

63/75 - 10/21 is 191/525.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    63/75 = 63 × 7/75 × 7 = 441/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    10/21 = 10 × 25/21 × 25 = 250/525
  4. Subtract the two like fractions:
    441/525 - 250/525 = 441 - 250/525 = 191/525

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