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Subtract 2/40 from 4/18

4/18 - 2/40 is 31/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360
  2. For the 1st fraction, since 18 × 20 = 360,
    4/18 = 4 × 20/18 × 20 = 80/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    2/40 = 2 × 9/40 × 9 = 18/360
  4. Subtract the two fractions:
    80/360 - 18/360 = 80 - 18/360 = 62/360
  5. After reducing the fraction, the answer is 31/180

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