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Subtract 9/49 from 18/35

18/35 - 9/49 is 81/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 49 is 245
  2. For the 1st fraction, since 35 × 7 = 245,
    18/35 = 18 × 7/35 × 7 = 126/245
  3. Likewise, for the 2nd fraction, since 49 × 5 = 245,
    9/49 = 9 × 5/49 × 5 = 45/245
  4. Subtract the two fractions:
    126/245 - 45/245 = 126 - 45/245 = 81/245

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