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Subtract 25/54 from 7/15

7/15 - 25/54 is 1/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270
  2. For the 1st fraction, since 15 × 18 = 270,
    7/15 = 7 × 18/15 × 18 = 126/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    25/54 = 25 × 5/54 × 5 = 125/270
  4. Subtract the two fractions:
    126/270 - 125/270 = 126 - 125/270 = 1/270

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