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Subtract 40/18 from 27/30

1st number: 27/30, 2nd number: 2 4/18

27/30 - 40/18 is -119/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    27/30 = 27 × 3/30 × 3 = 81/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    40/18 = 40 × 5/18 × 5 = 200/90
  4. Subtract the two like fractions:
    81/90 - 200/90 = 81 - 200/90 = -119/90

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