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Subtract 40/18 from 18/25

1st number: 18/25, 2nd number: 2 4/18

18/25 - 40/18 is -338/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 18 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    18/25 = 18 × 18/25 × 18 = 324/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    40/18 = 40 × 25/18 × 25 = 1000/450
  4. Subtract the two fractions:
    324/450 - 1000/450 = 324 - 1000/450 = -676/450
  5. After reducing the fraction, the answer is -338/225

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