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Subtract 3/54 from 21/50

21/50 - 3/54 is 82/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 54 is 1350
  2. For the 1st fraction, since 50 × 27 = 1350,
    21/50 = 21 × 27/50 × 27 = 567/1350
  3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
    3/54 = 3 × 25/54 × 25 = 75/1350
  4. Subtract the two fractions:
    567/1350 - 75/1350 = 567 - 75/1350 = 492/1350
  5. After reducing the fraction, the answer is 82/225

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