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Subtract 3/21 from 63/75

63/75 - 3/21 is 122/175.

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,
    3/21 = 3 × 25/21 × 25 = 75/525
  4. Subtract the two like fractions:
    441/525 - 75/525 = 441 - 75/525 = 366/525
  5. After reducing the fraction, the answer is 122/175

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