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Subtract 8/21 from 1/25

1/25 - 8/21 is -179/525.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    1/25 = 1 × 21/25 × 21 = 21/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    8/21 = 8 × 25/21 × 25 = 200/525
  4. Subtract the two like fractions:
    21/525 - 200/525 = 21 - 200/525 = -179/525

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