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Subtract 9/49 from 18/25

18/25 - 9/49 is 657/1225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 49 is 1225
  2. For the 1st fraction, since 25 × 49 = 1225,
    18/25 = 18 × 49/25 × 49 = 882/1225
  3. Likewise, for the 2nd fraction, since 49 × 25 = 1225,
    9/49 = 9 × 25/49 × 25 = 225/1225
  4. Subtract the two fractions:
    882/1225 - 225/1225 = 882 - 225/1225 = 657/1225

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