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Subtract 24/25 from 25/21

1st number: 1 4/21, 2nd number: 24/25

25/21 - 24/25 is 121/525.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    25/21 = 25 × 25/21 × 25 = 625/525
  3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
    24/25 = 24 × 21/25 × 21 = 504/525
  4. Subtract the two like fractions:
    625/525 - 504/525 = 625 - 504/525 = 121/525

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